Page Banner

United States Department of Agriculture

Agricultural Research Service

Publications by Year
headline bar
1 - Publications by Year
2 - Page 1

|1999-1990|  |1989-1980|  |1979-1970|  |Before 1970|



Soil organic matter changes in intensively cropped dryland systems. Bowman, R.A.,                  M.F. Vigil, D.C. Nielsen, and R.L. Anderson. Soil Sci. Soc. Am. J. 63:186-191.                   (1999)

Alternative crop rotations for the central great plains. Anderson, R.L.R.A. Bowman, D.C. Nielsen, M.F. Vigil, R.M. Aiken, and J.G. Benjamin.  J. Prod. Agric. 12:95-99.  (1999)   


Cultural strategies reduce weed densities in summer annual crops. Anderson, R.L.   Weed Tech. 13: 314-319.  (1999)


Winter wheat and proso millet yield reduction due to sunflower in rotation.Nielsen, D.C.,  R.L. Anderson, R.A. Bowman, R.M. Aiken, M.F. Vigil, and J.G. Benjamin.  J. of Prod. Agric., Vol. 12(2)

            193-197.  (1999)

Nitrogen uptake and partitioning    under alternate- and every-furrow irrigation. Skinner, H.R., J. D. Hanson and J.G. Benjamin. Plant and Soil 210:11-20.  (1999)


Field evaluation of energy balance simulation of surface soil temperatures.Aiken, R.M., D.C. Nielsen, M.F. Vigil and L.R. Ahuja.  Proc. Wind Erosion: An International Symposium/Workshop, USDA-ARS, Manhattan, KS.  (1999)


Long-term nitrogen fertilization benefits soil carbon sequestration. Halvorson A.D. and C.A. Reule.  Better Crops with Plant Food (#4).  (1999)


Ecology and interference of proso millet (Panicum miliaceum) in semi-arid corn. Anderson, R.L.  Weed Tech.  200 (14): 45-50.  (1999)


Are legumes logical?Vigil, M.F., D.C. Nielsen.  Farmer-Stockman Magazine, November, p. 27-30.  (1999)

Sunflower water use relationships. Nielsen, D.C.   USDA-ARS, USDA-NRCS, and Colorado Conservation Tillage Association Fact Sheet #1-98. (1998)


Black bean sensitivity to water stress at various growth stages. Nielsen, D.C. and N.O. Nelson.  Crop Sci. 38(2):422-427. (1998)


Seedling emergence of winter annual grasses as affected by limited tillage and crop canopy. Anderson, R.L.   Weed Technology 12:262-267. (1998)


Soil chemical changes after nine years of differential N fertilization in a no-till dryland wheat-corn-fallow rotation.Bowman, R.A. ,and A.D. Halvorson.  Soil Sci. 163:(3) 241-247. (1998)


Comparison of methods to estimate occluded and resistant soil phosphorus.Bowman, R.A., J.B. Rodriguez and J.R. Self. Soil Sci. Soc. Am. J. 62:338-342. (1998)


Cover crop effects on soil water relationships. Unger, P.W. and M.F. Vigil.  J. of Soil and Water Cons. 53(3) 200-207. (1998)

Ecological characteristics of three winter annual grasses. Anderson, R.L.   Weed Technology 12:478-483. (1998)


Weed community and species response to crop rotation, tillage, and nitrogen fertility. Anderson R.L., D.L. Tanaka, A.L. Black and E.E. Schweizer. Weed Technology 12:531-536. (1998)


Nitrogen movement with furrow irrigation method and fertilizer band placement. Benjamin, J.G. L.K. Porter, H.R. Duke, L.R. Ahuja, and G. Butters.   Soil Sci. Soc. Am. J. 62(4) 1103-1108. (1998)


Comparison of three alternative oilseed crops for the Central Great Plains. Nielsen, D.C.   J. of Production Agriculture 11(3)277-336-341. (1998)


Soil quality indicators for whole-farm management in the Central Great Plains. Bowman, R.A., M. Sucik, M. Rosales, and J. Saunders. USDA-ARS and USDA-NRCS Conservation Tillage Fact                        

            Sheet #2-98. (1998) 


Wind speed above and within sunflower stalks varying in height and population. Nielsen, D.C. and R.M. Aiken.  J. Soil & Water Cons. 53(4) 347-352. (1998)


Snow catch and soil water recharge in standing sunflower residue. Nielsen, D.C.    Journal of Production Agriculture 11(4) 476-480. (1998)


Winter wheat yield depression from legume green fallow. Vigil, M.F. and D.C. Nielsen. Agron. J. 90: 727-734. (1998)


Changes in soil water retention curve due to tillage and natural reconsolidation. Ahuja, L.R., F. Fiedler, G.H. Dunn, J.G. Benjamin, and A. Garrison.  Soil Sci. Soc. Am. J. 62:1228-1233. (1998)


A revaluation of the chromic acid colorimetric procedure for soil organic carbon. Bowman, R.A.  Commun. Soil Sci. Plant Anal, 29(3&4), p.501-508. (1998)


Nitrogen mineralized from manure amended soils. Smith, G.M., Vigil, M.F., Davis, J.G.   Proceedings of the Great Plains Soil Fertility Conference.  v.7: p. 34-39.Denver, Colo. (1998)


Dryland sunflowers: Effects on soil organic  matter and erosion. Bowman, R.A., Vigil, M.F.  Proceedings of the Great Plains Soil Fertility Conference. v. 7: p. 67-73.  Denver, Colo. (1998)


Variability of manure nutrient content and impact on manure sampling protocol. Davis, J.G., Iversen, K.V., Vigil, M.F.  In Proceedings Great Plains Soil Fertility Conference.  v. 7: p. 237-242.  Denver, Colo.  (1998)


Designing rotations for semiarid region. Anderson, R.L. P. 4-15.  In Proc. Annu. Colorado Conserv. Tillage Assoc. Meet., 10th, Sterling, CO.  3-4 Feb. 1998. Colorado Conserv. Tillage Assoc., Sterling, Colo. (1998)


Application of ice-nucleating active bacteria decreases the supercooling capacity of the           Russian wheat aphid (Homoptera: Aphididae) . Armstrong, J.S., R.E. Lee, F. B. Peairs.         (1998)


Cost of production and yields of alternative dryland crops.Vigil, M.F., D.C. Nielsen and R.L. Anderson.  Conservation Tillage Fact Sheet #2-97. (1997)


Oat for forage production, quality, and water use.Anderson, R.L.  USDA-ARS and Colorado Conservation Tillage Association Fact Sheet #3-97. (1997)


Water use and yield of Canola under dryland conditions in the Central Great Plains.Nielsen, D.C.  J. of Prod. Agric, Vol.10(2) pp. 307-313. (1997)


Base temperature and growing-degree hour requirements for the emergence of canola.Vigil, M.F., R.L. Anderson and W.E. Beard. Crop Sci. 37:844-849. (1997)


Carbon isotope ratios of Great Plains soils and in wheat-fallow systems. Follett, R.F., E.A. Paul, S.W. Leavitt, A.D. Halvorson, D. Lyon and G.A. Peterson.  Soil Sci. Soc. Am. J. 61:1068-1077. (1997)


Radiocarbon dating for determination of soil organic matter pool sizes and dynamics. Paul, E.A., R.F. Follett, S.W. Leavitt, A. D. Halvorson, G.A. Peterson and D.J. Lyon. Soil Sci. Soc. Am. J. 61:1058-1067. (1997)


Energy balance simulation for surface soil and residue temperatures with incomplete cover. Aiken, R.M., G. N. Flerchinger, Hamid J. Farahani and Karen E. Johnsen.  Agron. J. 89:404-415. (1997)

Optimum wheat stubble height to reduce erosion and evaporation.Nielsen, D.C.R.M. Aiken and G.S. McMaster. USDA-ARS, USDA- NRCS and Colorado Conservation Tillage Association Fact Sheet #4-97. (1997)


Field Methods to estimate soil organic matter.Bowman, R.A.   USDA-ARS, USDA-NRCS and Colorado Conservation Tillagae Association Fact Sheet #5-97. (1997)


Cultural systems can reduce reporductive potential of winter annual grasses.Anderson, R.L.   Weed Technology  11:608-613. (1997)

Corn growth and nitrogen uptake with furrow irrigation and fertilizer bands. Benjamin, J.G., L.K. Porter, H.R. Duke and L.R. Ahuja.   Agron. J. 89:609-612. (1997)


On-Farm soil water measurements.Nielsen, D.C.    USDA-ARS, USDA-NRCS and Colorado Conservation Tillage Association Fact Sheet #6-97. (1997)


Crop rotation and tillage effects on phosphorus distribution in the Central Great Plains. Bowman, R.A. and A.D. Halvorson.   Soil Sci. of America J. 61:(5) 1418-1422. (1997)


Longspine Sandbur (Cenchrus longispinus) ecology and interference in irrigated corn (Zea mays).Anderson, R.L.    Weed Technology 11:667-671. (1997)


Soil water storage and precipitation       storage efficiency of conservation tillage systems. Tanaka, D.L., R.L. Anderson.  J. Of Soil and Water  Conservation, Volume 52, (5) p. 363-367. (1997)


Long-term tillage and crop residue management study at Akron, CO.Halvorson, A.D., M.F. Vigil, G.A. Peterson, and E.T. Elliott.   In E.A. Paul, K. Paustian, E.T. Elliot, and C.V. Cole (ed.) Soil organic matter in temperate agroecosystems, long-term experiments in North America.  CRC Press, New York. (1997)


Field evaluation of basal crop coefficients for corn based on growing degree days, growth stage, or time.Nielsen, D.C., and S.E. Hinkle.  Am. Soc. of Agric. Engineers 39:(1)97-103. (1996)


Soil organic matter levels in the Central Great Plains.Bowman, R.A., and M. Petersen.  Conservation Tillage Facts #1-96. (1996)


Weed management strategies for conservation-tillage sunflower (Helianthus annuus).Anderson, R.L., D.J. Lyon, and D.L. Tanaka.  Weed Technology. 10:55-59. (1996)



Estimating corn yields from precipitation records.Nielsen, D.C.  Conservation Tillage Facts #2-96. (1996)


Effects of cropping intensity on soil organic matter and aggregate stability.Bowman, R.A., R.L. Anderson, D.C. Nielsen, M.F. Vigil, and A.D. Halvorson.  Proceedings, Great Plains Soil Fertility Conference. Pages 174-182. (1996)

The effect of legumes in a green fallow rotation on winter wheat yields.Vigil, M.F., and            D.C. Nielsen. Proceedings, Great Plains Soil Fertility Conference. Pages 169-173.           (1996)


Influence of cropping/tillage management on soil fertility and quality of former CRP land in the Central High Plains. Doran,J.W., A. Kessavalou, G.L. Hutchinson, M.F. Vigil, and A.D. Halvorson Proceedings, Great Plains Soil Fertility Conference. Pages 205-211. (1996)


Root system regulation of whole plant growth.Aiken, R.M. and A.J.M. Smucker. Annu. Rev. Phytopathol. 34:324-347. (1996)


Environmental parameters related to winter mortality of the russian wheat aphid (homoptera: aphididae): Armstrong, J.S. and F.B. Peairs.  basis for predicting mortality. J. of Economic Entomology 89(5) 1281-1287. (1996)


Emergence pattern of five weeds in the Central Great Plains.Anderson, R.L. and D.C. Nielsen.  Weed Tech. 10:744-749. (1996)


Downy Brome (Bromus tectorum) emergence variability in a semiarid region.Anderson, R.L.  Weed Tech. 10:750-753. (1996)


Potential of canola as a dryland crop in northeastern Colorado.Nielsen, D.C.  pp 281-287. In: J. Janik (ed.), Progress in New Crops. Am. Soc. Hort. Sci., Alexandria, VA. (1996)


Measuring bacterial and fungal substrate-induced respiration in dry soils.Johnson, C.K., M.F. Vigil, K.G. Doxtader and W.E. Beard.  Soil Biol. Biochem. 28:(4/5) 427-432. (1996)


Sod control when rotating back to cropland, guided by plant biology.Anderson, R.L.,and A.D. Halvorson,  18th Annual Advancing the Art Proceedings.  Jan. 29-31, 1996. Manitoba-North Dakota Zero Tillage Farmer=s Association Workshop.  p. 167-177. (1996)


Plant and environmental factors affecting systemic herbicide performance. Anderson, R.L.   USDA-ARS, Central Great Plains Research Station, Akron, CO.  p. 1-6. (1996)

Integrated pest management of insects, plant pathogens, and weeds in dryland cropping          systems of the Great Plains. Holtzer, T.O., R.L. Anderson, M.P. McMullen, F.B. Peairs.        J. Prod. Agric., Vol. 9, no. 2, pgs. 200-208. (1996)

Impact of growth retardants on corn leaf morphology and gas exchange traits. Kasele, I.N., J.F. Shanahan, and D.C. Nielsen.  Crop Sic. 35:190-194. (1995)


Control strategies for jointed goatgrass, volunteer rye, and downy brome.Anderson, R.L.  Conservation Tillage Fact Sheet, 1#95. (1995)

Factors affecting the rate of crop residue decomposition under field conditions.Vigil, M.F.Conservation Tillage Fact Sheet, 3#95. (1995)


Water use/yield relationships for central great plains crops.Nielsen, D.C.  Conservation Tillage Fact Sheet, 2#95. (1995)


Time-domain reflectometry measurements of surface soil water content.Nielsen, D.C., H.J. Lagae, and R.L. Anderson. Soil Sci. Soc. of Am. J. 59(1)104-105. (1995)


Producing and Marketing Proso Millet in the High Plains. Baltensperger D., D. Lyon, R.L. Anderson, Univ. of Nebraska Cooperative Extension Fact Sheet, EC95-137-C. (1995)


Registration of "Huntsman" Proso Millett. Baltensperger, D.D., L.A. Nelson, G.E. Frickel, and R.L. Anderson. Crop Sci. 35:(3)941. (1995)


Fertilizer in dryland cropping systems: a brief overview.Vigil, M.F.  Conservation Tillage Fact Sheet #4-95. (1995)


Dryland canola production: variety selection, nitrogen response, and water use in the central great plains.Vigil, M.F., D.C. Nielsen, A.D. Halvorson, and B. Beard. Proc. Western

         Canola Development Meeting, pp. 129-133. (1995)


Residue cover reduction as affected by tillage sequence. A Future Using Residue ManagementVigil, M.F. ,and S.E. Hinkle Proc. of Great Plains Residue Management Conference, pp. 21-33. (1995)


The benefits of no-till and reduce-till dryland cropping systems.Vigil, M.F., D.C. Nielsen, R.L. Anderson, and R.A. Bowman.  Proc. Symposium on Natural Agriculture, Gardening and Housing, pp. 63-69. (1995)


Taking advantage of the benefits of no-till.Vigil, M.F., D.C. Nielsen, R.L. Anderson, and R.A. Bowman Conservation Tillage Facts Sheet #4-95. (1995)


Rate of Nitrogen Mineralized from Incorporated Crop Residues as Influenced by Temperature. Vigil, M.F. and D.E. Kissel.  Soil Sci. Soc. Am. J. 59:1636-1644. (1995)


Two chloropid flies (Diptera: Chloropidae) infesting proso millet (panicum miliaceum L.) in Northeastern Colorado.Armstrong, J.S., S.D. Pilcher, and B.C. Kondratieff.  J. of the Kansas Entomological Soc., pp. 478-479. (1995)


Release and recovery of imported parasitoids of the russian wheat aphid in Eastern Colorado. Elliott, N.C., J.D. Burd, J.S. Armstorng, C.B. Walker, D.K. Reed, and F.B. Peairs.  Southwestern Entomologist. 20:(2)125-129. (1995)


Ethephon alters corn growth, water use, and grain yield under drought stress. Kasele, I.N., F. Nyirenda, J.F. Shanahan, D.C. Nielsen, and R.d'Andria.  Agron. J. 86:282-288. (1994)


Characterizing weed community seedling emergence for a semiarid site in Colorado. Anderson, R.L.  Weed Technol. 8:245-249. (1994)


Photosynthesis and transpiration response of redwood pigweed (Amaranthus retroflexus).Nielsen, D.C. and R.L. Anderson.  Weed Technol. 8:265-269. (1994)


The management of soil phosphorus availability and its impact on surface water quality. Sharpley, A.N. and A.D. Halvorson. p.7-80, in (ed.) R.Lal and B.A. Stewart, Soil Progress and Water Quality, ASA Advances in Soil Science. Lewis Publishers. (1994)


Nitrogen fertilizer requirements in an annual dryland cropping system. Halvorson, A.D. and C.A. Reule. Agron. J. 86(2):315-318. (1994)


Economic comparison of three winter wheat-fallow tillage systems. Halvorson, A.D., R.L. Anderson, N.E. Toman, and J.R. Welsh.  J. Prod. Agric. 7:381-385. (1994)


Planting date effect on no-till proso millet. Anderson, R.L.  J. Prod. Agric. 7(4):454-458. (1994)

Non water-stressed baselines for sunflowers.Nielsen, D.C.  Agricultural Water Management 26:265-276. (1994)


Potential nitrogen mineralization: Laboratory and field evaluation. Cabrera M.L., M.F. Vigil, and D.E. Kissel.  Soil Sci. Soc. of Am. p.15-30. (1994)

Soil.Halvorson, A.D.  McGraw-Hill Encyclopedia of Sci. and Technology. Pp. 385-389. (1993)


Crop losses due to weeds in Canada. Swanton, C.J., K.N. Harker, and R.L. Anderson.  Weed Technology 7:537-542. (1993)


Microbial respiration in soil: What are the Relative contributions of bacteria and fungi? Johnson, C.K.  MS thesis, Dept. of Agronomy, Colorado State University, Fort Collins, CO, summer 1993. (1993)



Managing residue & storing precipitation.Nielsen, D.C., and R.L. Anderson.  Conservation tillage fact sheet #2-93. (1993)



Jointed goatgrass (Aegilops cylindrica) ecology and interference in winter wheat.Anderson, R.L.  Weed Science 41:388-393.279.

Crop residue reduces jointed goatgrass (Aegilops cylindrica) seedling growth. Anderson, R.L.  Weed Technology 7:717-722.


The effect of planting time insecticides and liquid fertilizer on the Russian wheat aphid (Homoptera: Aphididae) and lesion nematode (Pratylenchus thoreni) on winter wheat.Armstrong,J.S., F.B. Peairs, S.D. Pilcher, and C.C. Russell.  Journal of the Kansas Entomological Society. 66:69-74. (1993)


Post-Anthesis nitrogen loss from corn. Francis, D.D., J.S. Schepers, and M.F. Vigil. Agron. J.85:659-663. (1993)


Urea Nitricphosphate for Cool-Season Grass Production. Commun. Pierzynski, G.M., M.F. Vigil, and D.E. Kissel.  Soil Sci. Plant Anal. 24(13&14), 1665-1681. (1993)


Chlorophyll meter readings in corn as affected by plant spacing. Blackmer T.M., J.S. Schepers, and M.F. Vigil.  Commun. Soil Sci. Plant Anal. 24(17&18):2507-2516. (1993)


Optimal spacing of surface-banded nitrogen on fescue.Vigil, M.F., D.E. Kissel, M.L. Cabrera, and C.W. Raczkowski.  Soil Sci. Soc. of Am. J. 57(6):1629-1633. (1993)

Basic EDTA as an extractant for soil organic phosphorus.Bowman, R.A. and J.O. Moir.  Soil Sci. Soc. of Am. J. 57(6):1516-1518. (1993)


Crop response to fallow applications of atrazine and clomazone. Lyon D.J., and R.L. Anderson.  Weed Technol.7:949-953. (1993)


Corn crop coefficients based on growing degree days or growth stage.Hinkle, S.E., W.L. Kranz, D.G. Watts, and D.C. Nielsen. ASAE Paper No. 932523. (1993)


Field evaluation of corn crop coefficients based on growing degree days or growth stage.Nielsen. D.C. and S.E. Hinkle. ASAE Paper No. 9332524. (1993)


Alternative crop rotations to winter wheat-fallow.Halvorson, A.D., R.L. Anderson, S.E. Hinkle, D.C. Nielsen, R.A. Bowman, andM.F. Vigil. Proceedings of the Great Plains soil fertility

          conference, Denver, Co. p.11. (1993)

Economics of dryland crop rotations for efficient water and nitrogen use. Peterson, G.A., D.G. Westfall, and A.D. Halvorson.  In Proc. 1992 Great Plains Soil Fertility Conference

         Workshop, Denver, Colorado, March 3-4, 1992. Vol. 4:47-53. Kansas State University. (1992)


An overview of nitrification inhibitors and slow release fertilizers.Vigil, M.F., J.C. Yeamans, and R.E. Lamond.  In Proc. 1992 Great Plains Soil Fertility Conference Workshop, Denver,

         Colorado, March 3-4, 1992. Vol. 4:77-83. Kansas State University. (1992)


Land tenure effects on phosphorus management. Fixen, P.E. and A.D. Halvorson,  In Proc. 1992 Great Plains Soil Fertility Conference Workshop, Denver, Colorado, March 3-4, 1992.

          Vol. 4:106-110. Kansas State University. (1992)


Response of dryland winter wheat to residual P.Halvorson, A.D. and J.L. Havlin.  In Proc. 1992 Great Plains Soil Fertility Conference Workshop, Denver, Colorado, March 3-4, 1992. Vol. 4:201-206. Kansas State University. (1992)  


Seed spacing for nonthinned sugarbeet production. Eckhoff, J.L.A., J.W. Bergman, M.J. Weiss, and A.D. Halvorson.  Montana Ag Research 9(1):6-9. (1992)


Nitrogen makes winter wheat big- and thirsty.Nielsen, D.C. and A.D. Halvorson.  Colorado Rancher and Farmer 46(7): 30. (1992)


Use of a chlorophyll meter to evaluate the nitrogen status of dryland winter wheat. Follett, R.H., R.F. Follett, and A.D. Halvorson. Commun. Soil Sci. Plant Anal., 23(7&8), 687-697. (1992)


Phosphorus distribution in calcareous soil profiles of the Central Plains.Bowman, R.A. and D.J. Savory.  Soil Sci. Soc. Am. J. 56:423-426. (1992)


Management for residual fertilizer phosphorus in soils.Halvorson, A.D.  In Proc. of Future Directions for Agricultural Phosphorus Research workshop, Tennessee Valley Authority, Muscle Shoals, Alabama. TVA Bulletin Y-224 pp.116-120. (1992)


No-till winter wheat response to phosphorus placement and rate.Halvorson, A.D. and J.L. Havlin.  Soil Sci. Soc. Am. J. 56:1635-1639. (1992)


Infrared thermometry and the crop water stress index. Gardner, B.R., D.C. Nielsen, and C.C. Shock.  I. History, theory, and baselines. J. in Prod. Agric. 5:462-466. (1992)


Infrared thermometry and the crop water stress index. Gardner, B.R., D.C. Nielsen, and C.C. Shock.  II. sampling procedures and interpretation. J. Prod. Agric. 5:466-475. (1992)


Comparison of corn leaf nitrogen concentration and chlorophyll meter readings. Schepers, J.S., D.D. Francis, M.F. Vigil, and F.E. Below.  Commun. Soil Sci. Plant Anal. 23(17-

         20):2173-2187. (1992)


Wheel ridges, concepts, construction, yields.Hinkle, S.E.  ASAE Paper No. 921593. Nashville, TN. (1992)


Fallow method affects downy brome population in winter wheat. Tanaka, D.L. and R.L. Anderson.  J. Prod. Agric. 5(1): 117-119. (1992)


Phosphorus distribution in calcareous soil profiles of the Central Plains.Bowman, R.A., and D.J. Savory.  Soil Sci. Soc. Am. J. 56:423-426. (1992)


Cereal systems of the North  American central great plains.Smika, D.E.   Field Crop Ecosystems 18:401-412. (1992)

Response of proso millet to a no-till production system. Pages 187-192 in: Anderson, R.L.  J.D. Hanson, M.J. Shaffer, D.A. Ball, and C.V. Cole (eds.), Sustainable Agriculture for the Great Plains, Symposium proceedings. USDA,ARS-89. 255pp. (1991)


Winter wheat (Triticum aestivum) growth state effect on paraquat bioactivity.Anderson, R.L. and D.C. Nielsen.  Weed Technology. 5:439-441. (1991)


Optimum Phosphorus Management for Small Grain Production. Fixen, P.E. and A.D. Halvorson.  Better Crops with Plant Food Vol.LXXV(75), No. 3 Pages 26-29. (1991)


Border effect on nitrogen-15 fertilized winter wheat microplots grown in the Great Plains. Follett, R.F., L.K. Porter, and A.D. Halvorson.  Agron. J. 83:608-612. (1991)

One-Shot phosphorus gives years of high returns. Halvorson. A.D.  Colorado Rancher and Farmer 45(3): 60-61. (1991)


A modified empirical drag cofficient for water drop ballistics.Hinkle, S.E.  Applied Engineering in Agriculture 7:75-80. (1991)


Winter wheat emergence reduction following simulated rainfall.Hinkle, S.E.  Pages 179-186 in: J.D. Hanson, M.J. Shaffer, D.A. Ball, and C.V. Cole (eds.), Sustainable Agriculture for the Great Plains, Symposium Proceedings. USDA-ARS, ARS-89, 255 PP. (1991)


Influence of nitrogen fertility on water use, water stress, and yield of winter wheat in the Central Great Plains.D.C. Nielsen, and A.D. Halvorson.  Pages 171-178 in: J.D. Hanson, M.J. Shaffer, D.A. Ball, and C.V. Cole (eds.), Sustainable Agriculture for the Great Plains, Symposium Proceedings. USDA-ARS, ARS-89, 255 pp. (1991)


Screening procedure for estimating potentially leachable nitrate-nitrogen below the root zone.Pierce, F.J., M.J. Shaffer, and A.D. Halvorson.  p. 259-283. Chapter 12. In R.F. Follett, et al. (Eds.), Managing Nitrogen for Groundwater Quality and Farm Profitability. Soil Sci. Soc. of America, Madison, WI. (1991)


Development of a preliminary enzyme-linked immunosorbent assay for the herbicide trifluralin.Riggle, B.D.  Bul. Environmental contamination and toxicology. 46:404-409. (1991)


Nitrate leaching and economic analysis package (NLEAP): Shaffer, M.J., A.D. Halvorson, and F.J. Pierce.  model description and application. p. 285-322. Chapter 13. In R.F. Follett, et al. (Eds.), Managing Nitrogen for Groundwater Quality and Farm Profitability. Soil Sci. Soc. of America, Madison, WI. (1991)


Response of winter wheat in the Central Great Plains to high rates of phosphorus fertilizer.Halvorson, A.D and J.L. Havlin.  p.108-111. In Proc., Western Phosphate and Sulfur

         Workgroup, Colorado State University, Fort Collins, CO, March 21-22, 1991. (1991)


Equations for estimating the amount of nitrogen mineralized from crop residues.Vigil, M.F. and D.E. Kissel.  Soil Sci. Soc. Am. J. 55:(3)757-761. (1991)


Field crop recovery and modeling of nitrogen mineralized from labeled sorghum residues.Vigil, M.F., D.E. Kissel, and S. J. Smith.  Soil Sci. Soc. Am. J. 55:(4)1031-1037. (1991)

Timing of nitrogen application affects downy brome (Bromus tectorum) growth in winter wheat.Anderson, R.L.  Weed Technol. 5:582-585. (1991)


Nitrogen fertility influence on water stress and yield of winter wheat.Nielsen, D.C. and A.D. Halvorson.  Agron. J. 83:1065-1070. (1991)


Dynamic time response of teflon-coated thermocouples.Hinkle, S.E., D.C. Nielsen, and J. Scott Armstrong.  Transactions of the Amer. Soc. of Ag. Engineers Paper No. 91-3527. Chicago, IL. (1991)


Alternate hosts of the russian wheat aphid (Homoptera: Aphididae) in northeastern Colorado. Armstrong, J.S.  , M.R. Porter, and F.B. Peairs. J. Econ. Entomol. 84(6): 1691-1694. (1991)


Spatial variability of selected carbon, nitrogen, and phosphorus parameters on acid and calcareous rangeland soils.Bowman, R.A. Commun. Soil Sci. and Plant Anal. 22:205-212 (1991)


Spectroscopic method for estimation of soil organic carbon.Bowman, R.A., W.D. Guenzi, and D.J. Savory.  Soil Sci. Soc. Am. J. 55:563-566. (1991)


Seed spacing for nonthinned sugarbeet production. Eckhoff, J.L.A., A.D. Halvorson, M.J. Weiss, and J.W. Bergman.  Agron. J. 83:929-932. (1991)

No-till proso millet production.Anderson, R.L.  Agron. J. 82: 577-580. (1990)


Tolerance of safflower (Carthamustinctorius), corn (Zeamays), and proso millet (Panicummiliaceum to clomazone. Anderson, R.L.  Weed Technol. 4:606-611. (1990)


Chemical control and alternate host plants of the Russian wheat aphid. In Pest status and control of the Russian wheat aphid, Diuraphis noxia (mordvilko), (Homoptera: Aphididae), Armstrong, J.S. A Review. Technical Bulletin 588, Purdue University. Pg. 23. (1990)


Development of enzyme immunoassay for the detection of triazine herbicides.Dunbar, B.D.,B. Riggle,and G. Niswender. J. of Agric. and Food Chemistry. 38 (2): 433-437. (1990)


Cropping systems and fertilization for efficient water use and sustainability.Halvorson, A.D. p. 51-57. In Proc. 1990 Great Plains Soil Fertility Conference, March 6-7, 1990, Denver, CO. Kansas State University, vol. 3:51-57. (1990)


Management of dryland saline seeps.Halvorson, A.D.  p. 372-392. Chapter 17. In Agricultural Salinity Assessment and Management. (K.K. Tanji, editor) ASCE Manuals and Reports on Engineering Practice No. 71. (1990)


Cropping systems and N fertilization for efficient water use in the Central Great Plains.Halvorson, A.D.  p. 117-123. In Proc. Great Plains Conservation Tillage Symposium. Great Plains Agricultural Council Bulletin No. 131. (1990)


Phosphorus requirements for high yield wheat management. Havlin, J.L. and A.D. Halvorson.  p.82-95.In Proc. MEY Wheat Management Conference, March 7-9, 1990, Denver, CO. Potash and Phosphate Institute, Atlanta, GA. (1990)


Max Emergence, get better wheat populations with reduced tillage, flat press wheels-even after a rain.Hinkle, S.E.  Colorado Rancher and Farmer. 44(6):18. (1990)

The Akron USDA-Agricultural Research Service portable boom-mounted rainfall simulator.            Hinkle, S.E.  Transactions of the Amer. Soc. of Ag. Engineers (33(3):818-820.              (1990)


Wheat yield reduction due to erosion from simulated rainfall.Hinkle, S.E.  Amer. Soc. of Ag. Engineers Paper No. 90-2569. Chicago IL. (1990)


Wheat growers in the U.S. can now avoid a costly wait. Hinkle, S.E.  USDA Ag. Research Service Quarterly Report, April-June, 1990(2):9.[HRt] (1990)


Scheduling irrigations for soybeans with the Crop Water Stress Index (CWSI). Nielsen,D.C.    Field Crops Res. 23:103-116. (1990)


Soil fertility and water use efficiency. Onken, A.B., C.W. Wendt, and A. D. Halvorson. Pg. 441-444. In Proc. International Conference on Dryland Farming, Bushland, Texas. August 15-19, 1988. (1990)


Development of enzyme immunoassay for the detection of the herbicide norflurazon.Riggle, B., and B.D. Dunbar.  J. of Agric. and Food Chemistry 38:1922-1925. (1990)


Fallow management practices for wheat production in the Central Great Plains.Smika, D.E.  Agron. J. 82:319-323. (1990)


Changes in soil properties in a central plains rangeland soil after 3, 20, and 60 years of cultivation.Bowman, R.A., Reeder, J.D., Lober, R.W.   Soil Science. 50(6):851-857. (1990)


Back toTop


Control of Russian wheat aphid with planting time insecticide and fertilizer combinations.Armstrong, J. S., F. B Peairs, and S. D. Pilcher.  Technical Bulletin LTB 89-6. Colorado State University Publication. p. 20. (1989)


Multiple-year response of winter wheat to a single application of phosphorus fertilizer.Halvorson, A.D.  Soil Sci. Soc. Am. J. 53:1862-1868. (1989)


Phosphorus management for wheat production.Halvorson, A.D.Proc. Nineteenth North Central Extension-Industry Soil Fertility Conference, Nov. 8-9, 1989, St. Louis, MO Potash & Phosphate Institute, vol 5:25-32. (1989)


Advances In N Use Efficiency. 26p. In Nitrogen Research 1989 - Current Advances and Future Priorities. Halvorson, A.D., B.R. Bock, and J.J. Meisinger. Technical Report of a USDA-Agricultural Research Service Working Conference held May 23-25, 1989, St. Louis, MO. (1989)


Water drop kinetic energy and momentum measurement considerations. Hinkle. S.E.Applied Engineering in Agriculture 5(3):386-391. (1989)


A portable boom-mounted rainfall simulator.Hinkle. S.E.  Amer. Soc. of Ag. Engineers Paper No. 89-2622. New Orleans, LA. (1989)


Winter wheat emergence after 30 minutes simulated rainfall.Hinkle. S.E.  Transactions of Amer. Soc. of Ag. Engineers 32(5):1577-1581. (1989)


Infrared thermometry to measure single leaf temperatures for quantification of water stress in sunflower.Nielsen D.C. and Anderson, R.L. Agron. J. 81:840-842. (1989)

Factors affecting preemergence bioactivity of diclofop: rainfall, straw retention, and plant growth stage.Anderson, R.L.  Agron. J. 80:952-956. (1988)


Kochia infestation levels in proso millet as affected by planting date. Anderson, R.L.  (1988)


Fertility research in no-till farming systems. Halvorson, A.D.  CSU annual research report, pp. 1-2. (1988)


Role of cropping systems in environmental quality:Halvorson, A.D. Saline seep control. p. 179-191. In Cropping Strategies for efficient use of water and nitrogen. ASA-CSSA-SSSA Special Publ. no. 51. Madison, WI. (1988)


Nitrogen needs of sugarbeets produced with    reduced tillage systems.Halvorson, A.D. and G.P. Hartman.  Agron. J. 80:719-722. (1988)


Winter wheat response to high rates of phosphorus.Halvorson, A.D.and J.L. Havlin. p. 73-78. In Proc. 1988 Great Plains Soil Fertility Workshop, Denver, Colorado, March 8-9, 1988. Volume II, Dept. Agronomy, Kansas State University, Manhattan. (1988)


Kinetic energy and momentum measurement considerations to water drop impact.Hinkle, S.E.  Amer. Soc. of Ag. Engineers Paper No. 88-2136. (1988)


Winter wheat emergence after 30 minutes rainfall in the Central Great Plains.Hinkle, S.E.  Amer. Soc. of Ag. Engineers Paper No. 88-2600. (1988)


Estimation and evaluation of winter wheat phenology in the Central Great Plains. McMaster, G.S. and D.E. Smika.  Agric. and Forest Meteorology 43:1-18. (1988)


Productivity and water use of proso millet grown under three cropping rotations in the Central Great Plains.Shanahan, J.F., R.L. Anderson, and B.W. Greb.  Agron. J. 80:487-492. (1988)


Long term effects of no-tillage in a winter wheat (Triticum aestivum)-sorghum (Sorghum bicolor)-fallow rotation. Wicks, G.A., D.E. Smika and G.W. Hergert.  Weed Science 36:384-393. (1988)


Russian wheat aphid fertility test plot evaluations.Armstrong, J.S.  pp. 15. In Proc. Of Second Russian Wheat Aphid Symp. Oct. 11-12.  Denver, CO. (1988)

Cup traps monitoring adult flight of the Russian wheat aphid (Diuraphis Noxia).Armstrong, J.S., and  J. Rudolf  1988.   Pp. 15-16.  In Proc. Second Russian Wheat Aphid Symp. Oct. 11-12.   Denver, Colo. Pp. 113-116. (1988)

Russian wheat aphids - potential oversummering host plants.Armstrong, J.S., J. Rudolf and S. Pilcher. pp. 16-19.  In  Proc. Second Russian Wheat Aphid Symp. Oct. 11-12.  Denver, Colo. (1988)


Russian wheat aphids -potential oversummering host plants.Armstrong, J.S., D. C. Nielsen,  and S. Pilcher.    pp. 20-21.  In  Proc. Second Russian Wheat Aphid Symp. Oct. 11-12.  Denver, Colo.  (1988)


Russian Wheat Aphid (Diuraphis noxia) oversummering alternate host plant study.Armstrong, J. S., and  J. Rudolf.  (1988)

Residual herbicides for weed control in proso millet (Panicum miliaceum L. )Anderson, R.L., and B.W. Greb. Crop Protection 6:61-63. (1987)


Field duration of chlorsulfuron bioactivity in the Central Great Plains.Anderson, R.L., and N. E. Humburg.  J. of Environ. Qual. 16:263-266. (1987)


Broadleaf weed control in safflower (Carthamers tinctori) with sulfonylurea herbicides.Anderson, R.L.  Weed Tech. 1:242-246. (1987)


White lupines as a rotation alternative with winter wheat in conservation tillage systems. In the role of legumes in conservation tillage systems. Dunbar, B.D., and D.C. Nielsen.  J. F. Power (ed.) SCS of Am., Ankeny, IA. p. 106-107. (1987)


Interaction of soil fertility with other inputs in crop production for maximum economic return.Halvorson, A.D. and L.S. Murphy.  p. 181-191. In Future Developments in Soil Science Research. Golden Anniv. Publ., SSSA, Madison, WI. (1987)


Wheat management for optimizing yields in Colorado.Halvorson, A.D., J.S. Quick, and J.F. Shanahan. 8 p. In National Test-20 Wheat Prod. Guide, Nat'l Assoc. of Wheat Growers Foundation, Washington, D. C. (1987)


Utilizing soil testing for greater wheat profitability.Halvorson, A.D.  8 p. In Proc. Second Nat'l Wheat Research Conference, Feb. 23-26, 1987 in Kansas City, MO. Nat'l. Assoc. of Wheat Growers Foundation, Washington, D. C. (1987)


PHOSECON.Halvorson, A D., E.H. Vasey, and D.L. Watt. North Dakota State University Ext. Serv. Software Users Guide 2. Fargo, ND. 7 p. (1987)


PHOSECON User's Guide:Halvorson, A.D., E.H. Vasey, and D.L. Watt.  LOTUS version 1.01. North Dakota State University Ext. Serv. Software Users Guide 3. Fargo, ND. 7 p. (1987)

PHOSECON: A computer economic program to evaluate phosphorus fertilization for wheat.           Halvorson, A.D., E.H. Vasey, and D L. Watt. Applied Agric. Research. 2:207-212.            (1987)


Falling water drop velocities at 1570 m elevation.Hinkle, S.E., D.F. Heerman, and M.C. Blue.  Transactions of the American Society of Agricultural Engineers 30(1):-94-100. (1987)


Till-plant systems for reducing runoff under low-pressure, center pivot irrigation.Mickelson, R.H., and E.E. Schweizer.  J. of Soil and Water Conservation 42:107-111. (1987)


Scheduling irrigations for corn with the crop water stress index (CWSI).Nielsen, D.C. and B.R. Gardner. Applied Agric. Research 2:295-300. (1987)


The influence of growth retardants (anti-gibberellins) on corn vegetative growth, water use, and grain yield under different levels of water stress.Shanahan, J.F., and D.C. Nielsen.Agron. J. 79:103-109. (1987)


Effects of prolonged erosion on soil productivity.Smika, D.E. Soil Erosion by Wind Symposium, Clarion Hotel, Denver, CO. Feb. 23-24, 1987. Proceedings, pp. 43-46. (1987)


Simulating sprinkler performance in wind. Vories, E.D., R D. vonBernuth, and R.H. Mickelson.  J. Irrig. and Drainage Engr. 113(1):119-130, Feb. (1987)


Improving crop management and farm profitability: Ward, R.C., A.D. Halvorson, and K. Wisiol.  New approaches for advisory services. p. 131-140. In Soil Fert. and Org. Mat. as Crit. Comp. of Prod. Sys. SSSA Spec, Publ. #19, Madison, WI. (1987)


Back to Basics in Montana - Jacobsen, J.S. and A.D. Halvorson.  Integrated Management. p.153-162. In Proc., 38th Annual Northwest Plant Food Association meeting, Pasco, WA, July 14-16, 1987. (1987)


Metribuzin and chlorsulfuron effect on grain of treated winter wheat (Triticum aestivum).Anderson, R.L.  Weed Sci. 34:734-737. (1986)


Effect of tillage systems on proso millet production.Anderson, R.L., J. F. Shanahan, and B. W. Greb.  Agron., J. 589-592. (1986)


Conservation tillage in Colorado:Halvorson, A.D., and R. F. Follett.  Soil Fertility. p. 15-24. In Proc. of First Annual Conference of the Colorado Conservation Tillage Taskforce, Denver, CO, November 12, 1985. (1986)


Phosphorus Management for MEWY and quality.Halvorson, A.D. 12 p. InProc. A Hands-on Workshop for Implementing Maximum Economic Yield (MEY) Systems, Bismarck, ND, July 8-10, 1986. NDSU Coop Ext. Serv., Fargo, ND (1986)


Soil test and P rate relationships to maximum yield:Halvorson, A.D.  West. 8 p. In Proc. Maximum Wheat Yield Systems Workshop, Denver, CO, Mar. 6-7. Potash and Phosphate Institute, Atlanta, GA. (1986)


Economics of a one-time phosphorus fertilizer application.Halvorson, A.D., and A. L. Black. p. 98-103. In Proc. Gt. Plains Soil Fertility Workshop, Denver, CO, Mar. 4-5. Great Plains Soil Fert. Com., Ft. Collins, CO. (1986)


Economics of a one-time phosphorus application in the northern Great Plains.Halvorson, A.D., A. L. Black, D. L. Watt, and A. G. Leholm.  Applied Agricultural Research 1(3):137-144. (1986)


Snow water managaement for crop production in the Central Great Plains.Smika, D.E., A. B. Page, and R. H. Mickelson.  pp. 335-344. In Proc. Of Symp. on Snow Mgt. for Agric. Swift Current, Saskatchewan, Canada. H. Steppuhn & W. Hicholuchuk (eds.). Gt. Plains Agric. Council Pub. No. 120. Gt. Plains Agric. Council, Lincoln, NE. (1986)


Effect of surface residues on soil water storagae.Smika, D.E., and P. W. Unger. p. 111-138. In B. A. Steward (ed.) Advances in Soil Science, Vol. 5. Springer-Verlag New York, Inc. New York, N. Y. USA. (1986)

Development of agrometeorological crop model inputs from remotely sensed information. Weigand, C.L., A.J. Richardson, R.D. Jackson, P.J. Pinter, Jr., J.K. Aase, D.E. Smika. L. F. Laulenschlager, and J. E. McMurtrey III.  IEEE Trans. on Geosci & Remote Sensing 24:90-9. Jan. 1986. (1986)


Chlorsulfuron absorption and degradation in soil. Thirunarayanan, K. R.L. Zimdahl, and D.E. Smika.  Weed Science 33:558-563. (1985)


Chlorsulfuron for weed control in safflower (Carthamus tinctorius). Anderson, R.L.  Weed Sci. 33:840-842. (1985)


Environmental Effects on Metsulfuron and Chlorsulfuron Bioactivity in soil.Anderson, R.L.  J. of Environ. Qual. 14:(4)517-521. (1985)


Identification of cultivar-specific proteins of winter wheat (T. aestivum L.) by high resolution two-dimensional polyacrylamide gel electrophoresis and color-based silver stain. Electrophoresis:Dunbar, B.D., B.S. Bundman, and B.S. Dunbar. 6, 39-43. (1985)


Top soil removal effects on soil chemical and physical properties.Greb, B.W., and D.E. Smika. p. 316-327. In S. A. El-Swaify, W. E. Moldenhauer and Andrew Lo (Eds) Soil Erosion and Conservation. Soil Conservation Society of American, Ankeny, IA. (1985)


Safflower helps recover residual nitrogen fertilizer.Halvorson, A.D., and A.L. Black. Montana Ag Research 2(1):19-22. (1985)


Long-term dryland crop responses to residual phosphorus fertilizer.Halvorson, A.D., and A.L. Black. Soil Sci. Soc. Amer. J. 49:928-933. (1985)


Fertilizer phosphorus recovery after seventeen years of dryland cropping.Halvorson, A.D., and A.L. Black. Soil Sci. Soc. Amer. J. 49:933-937. (1985)


Shoot development properties associated with grain yield in winter wheat.Shanahan, J.F., K.J. Donnelly, D.H. Smith, and D.E. Smika. Crop Sci. 25:770-775. Sept-Oct. (1985)

Lexone/sencor and glean phytotoxicity to winter wheat.Anderson, R.L., and N.E. Humburg.  Colorado State University Ag Experiment Station Technical Bulletin TB-151. (1985)

Chemical fallow in the Central Great Plains.Anderson, R L. and D.E. Smika.  Colo. State Univ. Stn. Bul. 588S. (1984)


Durum wheat tolerance to chlorsulfuron and chlorsulfuron-mixtures.Anderson, R.L. and D.L. Tanaka.  Montana Agric. Res. (1):18-21. (1984)


Saline-seep reclamation in the northern Great Plains.Halvorson, A.D.  Trans. ASAE 27(3):773-778. (1984)


Reduced seedbed tillage effects on irrigated sugarbeet yield and quality.Halvorson, A.D., and Hartman, G.P. Agron. J. 76:603-606. (1984)


Long-term effectiveness of a single broadcast application of P fertilizer.Halvorson, A D., and Black, A.L. In Proc. 35th Ann. Fert. Conf. of N. W. Plant Food Assn., Pasco, WA. 7/17-18. pp. 53-59. (1984)


Effects of land-use conversion of water runoff and soil erosion.Mickelson, R H.  USDA Agric. Research Services ARS-5. 18 p. (1984)


Effect of solar azimuth and infrared thermometer view direction on measured soybean canopy temperature.Nielson, D.C., K. L. Clawson, and B. L. Blad.  Agron. J. 76:607-610. (1984)


Influence of soybean pubescence type on radiation balance.Nielsen, D.C., B.L. Blad, S.B. Verma, N.J. Rosenberg, and J.E. Specht.  Agron. J. 76:924-929. (1984)


An analysis of post-anthesis sink-limited winter wheat grain yields under various environments.Shanahan, J.F., D.H. Smith, and J.R. Welsh.  Agron. J. 76:611-615. July-Aug. (1984)

Importance of soil characteristics on herbicide performance.Smika, D.E.  Proc. Great Plains Cons. Till. Symp. Gt. Plains Ag. Council Pub. No. 110:147-156. (1984)


Atrazine carryover in conservation tillage systems.Smika, D.E. and E.D. Sharman.  Jour. of SCSA 38:239. (1984)

Herbicides for chemical fallow in northeastern Colorado.Anderson, R.L. and D.E. Smika.  Colo. State Ext. Stn. Bul. 586S. (1983)

Correlation of five wheat growth state scales used in the Great Plains. Bauer, A., D.E. Smika, and A.L. Black.  USDA-ARS Adv. in Tech. AAT-NC-7. (1983)


Effects of tillage on soil erosion in a wheat-fallow rotation. Dickey, E.C., C.R. Fenster, J.M. Laflen, and R.H. Mickelson.  Trans. of ASAE 26:814-820. (1983)



A rapid laboratory method for developing contact prints of stained polyacrylamide gels.Dunbar, B D.  Electrophoresis 4:258. (1983)


Water Conservation:Greb, B.W. Central Great Plains Chapter 5. In H. E. Dregne and W. O. Willis (eds). Dryland Agriculture. Agronomy Monograph 23:57-73. Am. Soc. of Agron. Madison, WI. (1983)


Cropping Practices:Hinze, G.O. and D.E. Smika. Central Great Plains Chapter 24. In H. E. Dregne and W. O. Willis (eds). Dryland Agriculture. Agronomy Monograph 23:387-395. Am. Soc. of Agron. Madison, WI. (1983)


Soil fertility in dryland agriculture. Jackson, T. L., A.D. Halvorson, and B. B. Tucker. Chapter 21. In H. E. Dregne and W. O. Willis (eds). Dryland Agriculture. Agronomy Monograph 23:297-332. Am. Soc. of Agron. Madison, WI. (1983)


A numerical index to assess early inflorescence development in wheat. Klepper, B., T.W. Tucker, and B.D. Dunbar. Crop Sci. 23:206-208. (1983)


A meterologically-driven yield reduction model for spring and winter wheat. Ravet, F.W., W.J. Cremins, T.W. Taylor, P. Ashburn, D.E. Smika, and A. Aaronson. AGRISTARS Rept. No. EW-U3-0497, JSC-18601. (1983)


Direct evaporation from soil under a row crop canopy.Shawcroft, R.W. and H.R. Gardner.  Agr. Meteorology 28:229-238. (1983)


Limited irrigation may drop yield, up profit.Shawcroft, R. W.  Colo. Rancher & Farmer. Apr. 1983. pp. 34-38. (1983)


Cropping practices:Smika, D.E.  Introduction Chapter 20. In H. E. Dregne and W. O. Willis (eds). Dryland Agriculture. Agronomy Monograph 23:293-295. Am. Soc. of Agron. Madison, WI. (1983)


Chemical fallow offers many advantages to producers.Smika, D.E.  High Plains Jour. 100:40-D. (1983)

Straw stubble protects moisture.Smika, D.E.  Prog. Farmer 98:46B. (1983)


Soil water changes as related to position of wheat straw mulch on the soil surface.Smika, D.E.  SSSAJ. 47:988-991. (1983)


Moldenhauer Conservation tillage for erosion control. , W.C., G.W. Langdale, W. Frye, D.K. McCool, R.I. Papendick, D.E. Smika, and D.W. Fryrear. J. of Soil and Water Cons. 38(3)144-151. (1983)

Hard red winter wheat production on conservation bench terraces.Mickelson, R.H.  Soil Sci. Soc. Amer. J. 46:107-112. (1982)


Surface area measurement of corn root systems.Smika, D.E., and A. Klute. Agron. J. 74:1091-1093. (1982)


Winds can hurt wheat yields.Smika, D.E., and R.W. Shawcroft.  High Plains Jour. 99(39):84. (1982)


Atrazine carryover and its soil factor relationships to no-tillage and minimum tillage fallow-winter wheat cropping in the Central Great Plains.Smika, D.E. and E. David Sharman. Colo. State Univ. Tech. Bul. 144. (1982)


Simulation of climatic and management effects on wheat production. Morgan, J.A., D.N. Baker, W.J. Paarton, C.V. Cole, W.O. Willis, D.E. Smika, A. Bauer and A.L. Black.  Third International Conference on State-of-the-Art in Ecological Modeling, Colorado State University. (1982)


"Can a man make a living on the plains? It depends upon the man". Greb. B.W.  Significant Research Findings and Observations from the U.S. Central Great Plains Research Station & CSU Experiment Station. Historical Summary, pp. 1-24. (1981)


Sorghum hybrid performance tests in Colorado. Youngman, V.E., H.O. Mann, F.C. Schweissing, G.O. Hinze, E.J. Langin, R.L. Croissant, and J.G. Keenan.  CSU Experiment Station General Series 1007, pp. (1981)


Winter Wheat: A model for the simulation of growth and yield of winter wheat. Baker, D. N., D. E. Smika, A. L. Black, W. O. Willis, and A. Bauer. AGRISTARS Rept. No. YM-U2-04281:JSC 18229. (1981)


Status of chemical fallow in Colorado,Smika, D.E. pp. 1-2. Proc. 1981 Colorado Ecofallow Conf., State Ext. Serv., Ft. Collins, CO. (1981)

Chemical fallow tested at Akron field station.Smika, D.E. High Plains Jour. 98(2):12-c, January 12, 1981. (1981)


Anhydrous after wheat harvest?Smika, D.E. Colorado Rancher & Farmer 35(7):9, July, 1981. (1981)


Don't spray before you cut wheat.Smika, D.E. No-Till Farmer 9(9):*, September, 1981. (1981)


Chemical fallow is best method.Smika, D.E. High Plains Jour. 98(52):36-b, December 28, 1981. (1981)


Evaluation of the Doraeswamy-Thompson winter wheat-crop calendar model incorporating a modified spring restore sequence. Taylor, T.W., F.W. Ravet, and D.E. Smika. AGRISTARS Rept. EW-U1-04212, JSC-1981. (1981)


Water used by weeds in a wheat-fallow system.Greb, B.W.  Great Plains Conservation Tillage Fact Sheet. Great Plains Council, GPE-2806, 2 pp. (Semi-popular release). (1980)

Ecofallow comes of age in the Central Great Plains.Greb. B.W., and R.L. Zimdahl. J. Soil and Water Conserv. 35:230-233. (1980)

Snowfall and its potential management in the semiarid Central Great Plains.Greb, B.W.  USDA-SEA-ARM-W-18. December. (1980)

Cultural management of wheat and chemical fallow.Smika, D.E. Proc. Ecofallow Conf., Wray, CO, pp. 25-27. Colo. State Univ. Ext. Serv. (1980)

Minimum and no-tillage fallow for winter wheat production in the Central Great Plains.Smika, D.E. Proc. Int. Congress on Dryland Farming, Adelaide, South Australia. Vol. 1, pp. 101-102.


Ecofallow storms plains.Smika, D.E. Farm Chemicals. 43:85. (1980)

Chemical weed control during fallow increases wheat yields.Smika, D.E. Irrig. Age, 14:33. (1980)

Double benefits.Smika, D.E. Idaho Farmer-Stockman, Jan. 17, 1980. (1980)

Preliminary study using a wind tunnel to determine the effect of hot wind on a wheat crop.Smika, D.E., and R. W. Shawcroft.  Field Crops Res. 3:129-135. (1980)

Seed Operations.Smika, D.E.  Proc. Fifteenth Hard Red Winter Wheat Workers Conference, pg. 74. (1980)

Back toTop


Reducing drought effects on croplands in the West-Central Great Plains.Greb, B.W.  USDA-Agr. Inf. Bull. No. 420, pp. 1-31. (1979)

Soil and water conservation with minimum tillage in the semiarid central great plains.Smika, D.E. Proc. of Symposia IX International Congress of Plant Protection, pg. 70-72. (1979)

Technology and wheat yields in the semiarid Central Great Plains:  Greb, B.W., D. E. Smika, and J. R. Welsh.I. Experiment Station Advances. J. Soil and Water Conserv. 34:264-268. (1979)

Technology and wheat yields in the semiarid Central Great Plains.  Greb, B.W. II. Commercial Advances. J. Soil and Water Conserv. 34:269-273. (1979)

Registration of Cope proso millet.  Hinze, G.O., H. O. Mann, E. J. Langin, and A. Fisher. (Reg. No. 51). Crop Sci. 18:1093. (1979)

Ecofallow progress and success continues in Great Plains States.  Smika, D.E. High Plains Journal 99:6-A. (1979)

Apply paraquat before harvest?  Smika, D.E. No-Till Farmer 7:2.(1979)

Fertilizers and their application in conventional, minimum, and no-tillage winter wheat-fallow systems. Smika, D.E. Central Great Plains Fallow Conf. Proc. Kans. State Univ. Ext. Serv., pp. 25-26. (1979)


Moisture management tips.Smika, D.E. Prog. Farmer. (1979)

Trash treaders help and hurt.Smika, D.E.  Prog. Farmer. (1979)

Nonerodible soil aggregates in surface soil as related to tillage practice.Smika, D.E. Int. Soil Tillage Res. Org. Univ. Hohenheim, Stuttgart, Germany. Proc. 8th Conf. Vol. 1, pp. 147-152. (1979)

Chemical fallow for soil and water conservation in the Great Plains. Good, L. G., and D. E. Smika. J. Soil and Water. Conserv. 33:89-90. (1978)

Millet production with limited water.  Greb, B.W.  Colo. State U. Exp. Stn. PR-78-15, 3 p. (1978)

Tall wheatgrass snow barriers boost continuously cropped forage yields.Greb, B. W.  Colo. State U. Exp. Stn. PR 78-16, 3 p. (1978)

Brown midrib of sorghum.Hinze, G.O. Colo. State U. Exp. Stn. PR 78-14. (1978)

Chemical fallow for drought insurance. Smika. D.E. and B. W. Greb.  Colo. State U. Exp. Stn. PR 78-17, 1 p. (1978)

Doubled wheat yields.Smika, D.E., and B. W. Greb.  Agric. Res. USDA 27:2, p. 5. (1978)

Residual nitrate-N in fine sand as influenced by N-fertilizer and water management practices. Smika, D.E., D.G. Watts.  Soil Sci. Soc. Am. Proc. 42:923-926. (1978)

Groundwater contamination from fertilizer nitrogen. Duke, H. R., D. E. Smika, and D. F. Heermann.  Am. Soc. Civil Engr. Preprint 3003, p. 14. (1977)

Principles of fall weed control and residue management in a fallow-wheat rotation.Greb, B. W. Ecofallow Conf. U. of Nebraska. (Semi-Popular Publication) McCook, NE. Mar. 8. pp. H-1 to H-8. (1977)

Revised: Millets in Colorado.Hinze, G.O.  Colo. State U. Exp. Stn. Bull. 553S. (1977)

Nitrate-N percolation through irrigated sandy soil as affected by water management.Smika, D.E., D. F. Heermann, H. R. Duke, and A. R. Batchelder.  Agron. J. 69:636-639. (1977)

Influence of fall weed suppression in new wheat stubble in a fallow-wheat rotation with minimum tillage.Greb, B.W. Colo. Assn. Wheat Growers (Semi-Popular Release), 3 p. Nov. 19. (1976)

Scheduling center pivot sprinkler irrigation systems for corn production in eastern Colorado. Heerman, D. F., H. H. Haise, and R. H. Mickelson.  Agr. Eng. Trans. 19:284-287. (1976)

Seed zone soil water conditions with mechanical tillage in the semiarid Central Great Plains.Smika, D.E. Proc. 7th. Int. Soil Tillage Org. Conf., Uppsala Sweden. (1976)

Mechanical tillage for conservation fallow in the semiarid Central Great Plains. Proc. Conservation Tillage Workshop. Smika, D.E.  Great Plains Agr. Council Pub. 77, pp. 78-91. (1976)

Anhydrous ammonia applications during fallow for winter wheat production.Smika, D.E., and P. H. Grabouski.  Agron. J. 68:919-922. (1976)

Ideas that slow soil blowing.Greb, B.W.  Farm Journal. pg. 14-15. (1976)

Conservation tillageSmika, D.E. 1975.  pg. 1-2.

Fall weed control in new wheat stubble.Greb, B.W.  Colorado Crop Protection Institute Proceedings. pg. 1-14. (1975)

Wheat yield models with limited soil water. Neghassi, H.M., D.F. Heermann, and D.E. Smika. Transactions of the ASAE. 18:(3)549-557. (1975)


Performance and durability of sheet-metal,    butyl rubber, asphalt roofing, and bentonite for harvesting precipitation.Mickelson, R.H. Proc. Water Harvesting Symp., ARS-W-22, pp. 93-201. (1975)

Reduced Tillage Maximizes Fallow Soil Water Storage.Smika, D.E.  Paper No. 75-2539.  Winter Meeting American Society of Agricultural Engineers. (1975)


Manage fallow to boost wheat protein.Smika, D.E., and P. H. Grabouski.  Crop and Soils 27:7, p. 8. (1975)


Nonerodible aggregates and concentration of fats, waxes, and oils in soils as related to wheat straw mulch,Smika, D.E. and B. W. Greb. Soil Sci. Soc. Am. Proc. 39:104-107. (1975)


 Straw buildup in soil with stubble mulch fallow in the semiarid Gread Plains. Greb, B. W., A. L. Black, and D. E. Smika.  Soil Sci. Soc. Am. Proc. 38:135-136. (1974)


Center pivot design capacities in eastern Colorado. Heerman, D. F., H. H. Shull, and R. H. Mickelson. J. of Irrig. and Drainage Div., ASAE. 100:127-144. (1974)


The soil-plant-atmosphere model and some of its predictions. In: J. F. Stone, Ed., Plant Modification for More Efficient Use. Shawcroft, R. W., E. R. Lemon, L. H. Allen, D. W. Stewart, and S. E. Jensen. Agri. Meteorol., 14:287-307. (1974)


Optimum crown depth soil temperature for reproductive development of four wheat varieties.Smika, D.E. Plant and Soil. 40:573-580. (1974)


Summer fallow in the Central Great Plains.  In Summer Fallow in the Western United States. Greb, B.W. D.E. Smika, N.P. Woodruff, and C.J. Whitfield.  Conservation Research Report No. 17.  USDA-ARS.  U.S. Government Printing Office, Washington, D.C. (1974)

Experiments in predicting evapotranspiration by simulation with a soil-plant-atmosphere model (SPAM). Lemon, E. R., D. W. Stewart, R. W. Shawcroft, and S. E. Jenson. In: Field Soil Water Regime, R. R. Bruce, K. Flach, and H. M. Taylor, editor. Soil Sci. Soc. Am. Special Pub. No. 5. pp. 57-76. (1973)

Estimation of internal crop water status from meterological and plant parameters. Shawcroft, R. W., E. R. Lemon, and D. W. Stewart.  In. R. V. Slayter, Ed. Plant Response to Climatic Factors. Proc. Udppsolu, Sweden Symp. UNESCO 1970. pp-449-459. (Ecology and Conservative, 5). (1973)


Protein content of winter wheat grain as related to soil and climatic factors in the semiarid Central Great Plains. Smika, D. E. and B. W. Greb.  Agron. J. 65:433-436. (1973)


Chemical fallow in a winter wheat-fallow rotation.  Wicks, G.A. and D.E. Smika. J. of the Weed Sci. Soc. of Am. 21:(2)97-102. (1973)

Influence of three cuttings on yield, water use efficiency, and forage quality of sainfoin. Koch, D. W., A. D. Dotzenko, and G. O. Hinze.  Agron. J. 64:463-467. (1972)

 Vegetative barriers and artificial fence for managing snow in the Central and Northern Plains.          Greb, B. W. and A. L. Black. Proc. Snow and Ice in Relation to Wildlife and                   Recreation. pp. 96-111.Iowa Cooperative Wildlife Research Unit, Iowa State                   Univ., Ames, Iowa. (1971)


Advection and evapotranspiration of wide-row sorghum in the Central Great Plains.Hanks, R.J., L. H. Allen, and H. R. Gardner.  Agron. J. 520-527. (1971)


The sun's work in a cornfield. Lemon, E. R., D. W. Stewart, and R. W. Shawcroft.  Sci. 174:371-378. (1971)


The energy budget at the earth's surface:Shawcroft, R.W.  water relations and stomatial response in a corn field. Research and Development Technical Report ECOM 2-68-1-7. (1971)


Weather recordings for agricultural research.Greb, B.W.  CSU Agr. Exp. Sta. PR 70-17. (1970)


Deep plowing a shallow clay layer to increase soil water storage and crop yield.Greb, B.W.  CSU Agr. Exp. Sta. PR-70-23. (1970)


Cool season grass production leeward of a 28% woodslat snowfence.Greb, B.W. CSU Agr. Exp. Sta. PR 70-24. (1970)


Stubble mulch fallow and dates of primary sweep tillage on soil water storage.Greb, B.W.  CSU Agr. Exp. Sta. pr 70-26. (1970)


Wheat variety improvement,  Hinze, G.O. and J. R. Welsh. CSU Agr. Exp. Sta. PR 33. (1970)


Lagoon leveling permits annual cropping in semiarid areas.  Mickelson, R.H., and B. W. Greb.  J. Soil and Water Cons. 25:13-16. (1970)

A study on effects of intermittently flooded areas on ground water supplies. Mickelson, R.H. CSU Agr. Exp. Sta. PR 70-39. (1970)


Water harvesting.Mickelson, R.H. Colo. State Univ. Experiment Station Progress Report PR 70-40. (1970)


Durability of asphaltic soil sealants in northeastern Colorado and south-central North Dakota. Rauzi, F., M. J. Fairbourn, H. J. Haas, and R. H. Mickelson.  ARS 41-169 (1970)

Greb, B.W., D. E. Smika, and A. L. Black. 1970. Water conservation with stubble mulch fallow. J. Soil and Water Cons. 25:58-62.

Back toTop

Before 1970

Soil nitrate, soil water, and grain yields in a wheat fallow rotation in the Great Plains as influenced by straw mulch. Smika, D.E., A.L. Black, and B. W. Greb. (1969.)

Plant growth-evapotranspiration relations for several crops in the Great Plains.Hanks, R.H. H. R. Gardner, and R. L. Florian. Agron. J. 61:30-34. (1969)

Soil reflectance, temperature, and fallow water storage on exposed subsoils of a brown soil. Black, A. L., and B.W.Greb. Soil Sci. Soc. Am. Proc. 32:105-109. (1968)

Evapotranspiration-Climate relations for several crops in the Central Great Plains.Hanks, R.H., H. R. Gardner, and R. L. Florian.  Agron. J. 60:538-542. (1968)

Conservation bench terraces in eastern Colorado.Mickelson, R.H. Water Resources Res. 4:95-101. (1968)

Herbicides boost soil water storage. Northern Plains Branch, Soil and Water Conservation Res. Smika, D.E. and G.A. Wicks. Division, Agric. Res. Service, USDA and Neb. Experiment Station, North Platte. (1968)

Organic phosphorus in calcareous Colorado soils.Greb, B.W. and S. R. Olsen. Soil Sci. Soc. Am. Proc. 31:85-89. (1967)

Effect of straw mulch rates on soil water storage during summer fallow in the Great Plains.Greb, B.W,D. E. Smika, and A. L. Black. Soil Sci. Soc. Am. Proc. 31:556-559. (1967)

Percent soil cover by six vegetative covers. Greb, B.W. Agron. J. 59:610-611. (1967)

Phosphorous status of horizons of four benchmark loessial soils of the Central Great Plains Region.Black, A.L., and R. S. Whitney.  Soil Sci. Soc. Am. Proc. 30 (3):359-362. (1966)

Effect of surface-applied wheat straw on soil water losses by solar distillation.Greb, B.W.             Soil Sci. Soc. Am. Proc., Vol. 30:786-788. 1966.

Level pan system for spreading and storing watershed run-off.Mickelson, R.H. Soil Soc. Am. Proc. 30 (3):388-392.(1966)

Level pan construction for diverting and spreading runoff.Mickelson, R.H. Transactions of ASAE. 9 (4):568-570. (1966)

Cultural practices for seed production from established stands of western wheatgrass. Smika, D.E. and L.C. Newell. Univ. of Neb. College of Agric. and Home Economics Agricultural  Experiment station research bulletin 223. pp. 1-15. (1966)


An economical lysimeter for evapotranspiration studies. Hanks, R. S. and R.W. Shawcroft.  Agron. J. 57:634-636. (1965)

Irrigation and fertilization practices for seed production from established stands of side-oats grama.Smika, D.E. and L.C. Newell. Univ. of Neb. College of Agriculture and Home    

          Economics experiment station research bulletin 218. pp. 1-13. (1965)

Overwinter loss of nontilled wheat residue.Smika, D.E. J. of Soil and Water Conservation. 20:(6). (1965)

Runoff water spreading on leveled cropland.Mickelson, R.H., M. B. Cox, and J. Musick. Journal of Soil and Water Conservation 20 (2):56-60. (1965)

Distribution patterns for the Weld-Rago soil association in relation to research planning and interpretation.Fly, C.L. and D. S. Romine.  Soil Sci. Soc. Am. Proceedings 28 (1):125-30.


Stubble mulch fallow for moisture conservation and erosion control. Colo. Exp. Sta. PR-127. Greb, B.W. (1964)

Level pans catch runoff, produce increased yields. Crops and Soils 16 (4):22. Mickelson, R.H. (1964)

Level pan construction for diversion and spreading runoff. Mickelson, R.H. USDA Agr. Res. 12 (12):13. (1964)

Runoff increases annual forage sorghum production.Mickelson, R.H. Colo. Exp. Sta. PR-125. (1964)

The use of commercial fertilizer with dryland crops in Colorado.  Brengle, K.G., and B.W. Greb. CSU Bull. 516-S. (1963)

Comparison of continuous wheat and wheat after fallow in Colorado. Brengle, K.G., and                B.W. Greb. CSU Bull. 518-S. (1963.)

Inventory of Akron station soils for organic matter, total nitrogen, and available   phosphorus.      Shawcroft, R.W. and H. Shafer. (1963)

Nitrate accumulation in soils covered with plastic mulch.Black, A.L. and B. W. Greb.  Agron. J. Vol. 54:366. (1962)

Sorghum residue reduction in a stubble mulch fallow system. Greb, B.W. and A.L. Black. Agron. J. 54:116-119. (1962)

Storing and utilizing excess runoff by spreading over leveled fields in dryland areas.                   Mickelson, R. H. Colo. Exp. Sta. PR-35 (1962)

Farmers can save moisture by growing fences.Greb, B.W. Colorado Farm and Home                 Research. 13:(3) Nov./Dec. (1962)

Fallow with less tillage.Greb, B.W. (1962)

Effects of windbreak plantings on adjacent crops.Greb, B.W. and A.L. Black. J. of Soil and Water Conservation. 16:(5)223-227. (1961)

Snow conservation potential in the west central great plains. Greb, B.W. and A.L. Black. (1961)

Sorghum residues in summer fallow system.Greb, B.W. and A. L. Black,  Agron. Abstracts, p. 38. (1960)

Winter wheat production in Colorado.Haus, T.E., D. W. Robertson, J. F. Brandon, W. H. Paulson, and R. H. Tucker. Bull. 407-S. (1960)

Fifty years of Agricultural Progress,Greb, B.W. and D. W. Robertson.  1907-1957. USDA, Colo. State University and local cooperation. June 28, 1957. U. S. Central Great Plains Field Station. Akron, Colorado. (1957)

Performance tests of hybrid corn varieties grown in various regions of Colorado in 1956. Koonce, D., H. Fauber, and J. F. Brandon. Colo. Agr. Exp. Sta. G. S. 628. (1956)

Effects of commercial fertilizer on the yield and quality of dryland wheat, corn, and sorghum in Colorado in 1955.  Brengle, K.G., R. S. Whitney, B. W. Greb, and R. H. Tucker. Colo.

Agr. Exp. Sta. G. S. 649 (1955)

Commercial fertilizer experiments with nonirrigated wheat, corn, and sorghum in eastern Colorado.Greb, B.W., R. S. Whitney, and R. H. Tucker. Colo. Agr. Exp. Sta. G. S. 592. (1955)

Commercial fertilizer experiments with nonirrigated wheat in eastern Colorado. Greb, B.W, R. S. Whitney, and R. H. Tucker. Colo. Agr. Exp. Sta. G. S. 564. (1954)

Commercial fertilizer experiments with nonirrigated corn and sorghum in eastern Colorado.Greb, B.W., R. S. Whitney, and R. H. Tucker. Colo. Agr. Exp. Sta. G. S. 586. (1954)

Winter barley in eastern Colorado.Robertson, D.W., T. E. Haus, J. F. Brandon, and R. H. Tucker. Bull. 438-A. (1954)

Commercial fertilizer experiments with nonirrigated crops in Eastern Colorado.Greb, B.W., and R. S. Whitney.. Agr. Exp. Sta. G. S. 526. (1953)

Thirty-seven years of windbreak planting at Akron, Colorado.Preston, R.J., Jr., and J. F. Brandon. Colo. Agr. Exp. Sta. Bull. 492. (1946)

Dryland rotation and tillage experiments at the Akron Colorado Field Station,Brandon, J.F. and O. R. Mathews. 1909-38. USDA Cir. 700. (1944)

Proso or hog millet.Curtis, J.J., J. F. Brandon, and D. W. Robertson. Colo. Agr. Exp. Sta. Bull. 438. (1937)

Soil blowing and its control in Colorado.Brandon, J.F. and A. Kezer. Colo. Agr. Exp. Sta. Bull. 419, 20 p, illus. (1936)

The relations between crop yields and precipitation in the Great Plains area. Crop rotations and tillage methods, Chilcott, E.C. USDA Misc. Cir. 81, Sup. 1, 164 p, illus.( 1931)

The water requirements of plants at Akron, Colorado. Shantz, H.L. and L. N. Piemeisel.  J. of Agr. Res. Vol. 34, No. 12, pp. 1093-1190, illus. (1927)

Crop rotation and cultural methods at the Akron (Colo.) Field Station in the 15-year period from 1909-1923, inclusive. Brandon, J.F.USDA Bull. 1308, 28p, illus. (1925)

The water requirements of plants. I. Investigations in the Great Plains in 1910 and 1911.  Briggs, L.J. and H. L. Shantz. USDA Bur. of Plant Ind. No. 284. (1913)

The water requirement of plants. Briggs, L.J. and H. L. Shantz.. A review of the literature. USDA Bur. of Plant Ind. No. 285, 96 p. (1913)




Back toTop





[1] 2 Next >>
Last Modified: 8/13/2016
Footer Content Back to Top of Page