Collins, H.P., Streubel, J., Alva, A.K., Frear, C., Chen, S., Fransen, S.F., Kruger, C., Granatstein, D. 2011. Greenhouse gas emissions from an irrigated silt loam soil amended with anaerobic digested dairy manure. Soil Science Society of America Journal. 75:2206-2216.
Alva, A.K., Moore, A.D., Collins, H.P. 2012. Impact of deficit irrigation on tuber yield and quality of potato cultivars. Journal of Crop Improvement. 26:211-227.
Halvorson, A.D., Steenwerth, K.L., Suddick, E.C., Liebig, M.A., Smith, J.L., Bronson, K.F., Collins, H.P. 2012. Management to reduce greenhouse gas emissions in western U.S. croplands. Elsevier. New York, NY: Elsevier Inc. p. 167-182.
Streubel, J.D., Collins, H.P., Garcia-Perez, M., Tarara, J.M., Granatstein, D., Kruger, C.E. 2011. Influence of Biochar on Soil pH, Water Holding Capacity, Nitrogen and Carbon Dynamics. Soil Science Society of America Journal. 75: 1402-1413.
Collins, H.P., Mikha, M.M., Brown, T.T., Smith, J.L., Huggins, D.R., Sainju, U.M. 2012. Increasing the sink: agricultural management and soil carbon dynamics: western U.S. croplands. In: Liebig, M., Franzluebbers, A., and Follet, R., editors. Managing agricultural greenhouse gasses. 1st edition. Waltham, MA. Elsevier. p. 59-78.
Shaner, D.L., Boydston, R.A., Krutz, L.J., Collins, H.P. 2011. Effect of Biochar on Bioavailability of Atrazine and Metribuzin in Two Soils. Weed Science Society of America Meeting Abstracts. Feb 7, 2011 Portland Oregon.
Calderon, F.J., Reeves III, J.B., Collins, H.P., Eldor, P.A. 2011. Chemical differences in soil organic matter fractions determined by diffuse-reflectance mid-infrared spectroscopy. Soil Science Society of America Journal. 75(2)568-579.
Collins, D.P., Cogger, C.G., Kennedy, A.C., Forge, T., Collins, H.P., Bary, A.I., Rossi, R. 2011. Farm-scale variation of soil quality indices and association with edaphic properties. Soil Science Society of America Journal. 75:580–590. doi:10.2136/sssaj2010.0029.
Smith, J.L., Collins, H.P., Bailey, V.L. 2010. The effect of young biochar on soil respiration. Soil Biology and Biochemistry. 42(12):2345-2347. doi:10.1016/j.soilbio.2010.09.013.
Boydston, R.A., Collins, H.P., Fransen, S. 2010. Response of Three Switchgrass (Panicum virgatum) Cultivars to Mesotrione, Quinclorac, and Pendimethalin. Weed Technology. 24:336-341.
Alva, A.K., Ren, H., Boge, W.L., Collins, H.P., Boydston, R.A. 2009. Biomass Accumulation and Partitioning in Two Potato Cultivars as Influenced by Irrigation and Nitrogen Management. American Society of Agronomy, Soil Science Society of America, Crop Science Society of America - Annual Meetings, Pittsburgh, PA. Nov. 1-5, 2009. Program Abstract.
Macconnell, C.B., Collins, H.P. 2009. Utilization of Re-processed Anaerobically Digested Fiber from Dairy Manure as a Container Media Substrate. Acta Horticulturae. 819: 279-286.
Moore, A.D., Alva, A.K., Collins, H.P., Boydston, R.A. 2010. Mineralization of nitrogen from biofuel byproducts and animal manures amended to a sandy soil. Communications in Soil Science and Plant Analysis. 41:1315-1326.
Alva, A.K., Collins, H.P., Boydston, R.A. 2009. Nitrogen Management for Irrigated Potato Production under Different Tillage. Soil Science Society of America Journal. 73:1-8.
Alva, A.K., Collins, H.P., Boydston, R.A. 2008. Potato Nitrogen and Water Management. International Symposium on Plant Nutrient Management Under Stress Conditions. Nov. 24-27, 2008. Cairo, Egypt. Pp. 329-333.
Boydston, R.A., Collins, H.P., Alva, A.K. 2008. Control of Volunteer Potato (Solanum tuberosum) in Sweet Corn with Mesotrione Unaffected by Atrazine or Tillage. Weed Technology. 22:654-659.
Collins, H.P., Fransen, S., Hang, A., Boydston, R.A., Kruger, C. 2008. Biomass Production and Nutrient Removal by Switchgrass (Panicum virgatum) under Irrigation. 2008 International Meetings, Houston, TX Oct 4-9, 2008, on CD.
Stuebel, J., Collins, H.P., Perry, E.M., Elliott, T.V., Young, S.L., Pierce, F.J. 2008. Performance of Continuous CO2 Measurements in Soils: A Preliminary Assessment. American Society of Agronomy Abstracts. Houston, TX Oct 4-9, 2008, on CD.
Collins, D., Cogger, C., Kennedy, A., Forge, T., Collins, H.P., Bary, A., Maki, E. 2008. Cover Crop, Amendment, and Tillage Effects on Decomposers, Nematodes, and Collembolans in An Organic Vegetable System. American Society of Agronomy Abstracts. 2008 International Meetings, Houston, TX Oct 4-9, 2008, on CD.
Collins, H.P., Struebel, J., Fransen, S., Kruger, C., Chen, S. 2008. Gracenet: trace gas fluxes from irrigated soils amended with anaerobic digested dairy manure.. American Society of Agronomy Abstracts, 2008 International Meetings, Houston, TX. Oct 4-9, 2008. On CD.
Alva, A.K., Collins, H.P., Boydston, R.A., Moore, A.D. 2008. Managing deficit irrigation for potatoes. International Crop Science Congress Proceedings. (On CD).
Haile-Mariam S., H.P. Collins, and S.S. Higgins. 2008. Greenhouse Gas Fluxes from an Irrigated Sweet Corn (Zea mays L.) - Potato (Solanum tuberosum L.) Rotation. J. Environ. 37:759-771.
Moore, A.D., Alva, A.K., Collins, H.P., Boydston, R.A. 2007. Transformations of Nitrogen from Biofuel Byproducts and Animal Manures Amended to a Sandy Soil. American Society of Agronomy Meetings 2007.
Boydston, R., A. McGuire, S. Vaughn, and H. Collins. Effect of mustard seed meal on early weed emergence in peppermint and potato in Sustaining the Pacific Northwest - Food, Farm, & Natural Resource Systems, Newsletter, CSNAR, Washington State University Extension. 5(2):4-6. 2007.
Collins H.P., Boydston,R.A., Fransen S., Hang A.N. 2007. Switchgrass Production in Washington – Part II of Biofuel Feedstocks in Washington. Pacific Northwest Sustainable Agriculture Newsletter. ARIS 213741
Collins H.P., Boydston, R.A., Fransen, S., Hang A.N. 2006. Biofuel Feedstocks in Washington. In Sustaining the Pacific Northwest - Food, Farm, & Natural Resource Systems, Newsletter, CSNAR, Washington State University Extension. Vol 4,3:1-4.
Steve Fransen, Harold P. Collins and Rick A. Boydston. 2006. Growth of switchgrass as biofuel in the Pacific Northwest. Pp 2-3. Proceedings of the 5th Eastern Native Grass Symposium, Harrisburg, PA October 10-13, 2006.
Collins, H.P., Delgado, J.A., Alva, A.K., Follett, R.F. 2007. Use of 15n isotopic techniques to estimate nitrogen cycling from a mustard cover crop to potatoes. Agronomy Journal. 99: 27-35, 2007.
Cochran, R.L., Collins, H.P., Kennedy, A.C., Bezdicek, D.F. 2006. Soil carbon pools and fluxes following land conversion in a semi-arid shrub-steppe ecosystem. Biology and Fertility of Soils. 43:479-489.
Riga, E., Pierce, F., Collins, H.P. 2006. Performance of arugula (Eruca sativa) as a green manure and trap crop for fungal pathogens and parasitic nematode suppression in potato. American Phytopathological Society Abstracts. 96:S97.
Collins, H.P., Navarre, D.A., Riga, E., Pierce, F.J. 2006. Effect of foliar applied plant elicitors on microbial and nematode populations in the root zone of potato. Communications in Soil Science and Plant Analysis. 37:1747-1759.
Collins, H.P., Alva, A.K., Boydston, R.A., Cochran, R.L., Hamm, P., Riga, E. 2006. Soil microbial, fungal and nematode responses to soil fumigation and cover crops under potato production. Biology and Fertility of Soils. 42:247-257.
Collins, H.P., Riga, E., Pierce, F. 2005. Spatial and seasonal patterns of c and n mineralization in an irrigated potato rotation. Agronomy Abstracts. On CD.
Collins, H.P., Boydston, R.A., Alva, A.K., Pierce, F., Hamm, P. 2005. Reduced tillage in a three year potato rotation. Proceedings Washington State Potato Conference. Vol 44: 13-26, 2005.
Riga, E., Collins, H.P. 2005. The effect of green manures on meloidogyne chitwoodi and paratrichodorus allius, economically important nematodes of potatoes in the pacific northwest of u.s.a.. Agroindustria Rivista Quadrimestrale. 3:321-322.
Boydston, R.A., Collins, H.P., Alva, A.K. 2004. Mustard for pest control, not for your sandwich. USDA Agricultural Research Service Publication. October:14-15.
Collins, H.P., Delgado, J., Alva, A.K. 2004. Microbial transformations and recovery of cover crop n in an irrigated potato cropping system. ASA-CSSA-SSSA Annual Meeting, Seattle, WA., Oct. 31-Nov. 4, 2004 (On CD).
Cochran, R.L., Collins, H.P., Kennedy, A.C., Grunwald, N.J. 2004. Changes in soil microbial diversity during the conversion of a native shrub-steppe to an irrigated agroecosystem ii. American Society of Agronomy Abstracts.
BOYDSTON, R.A., COLLINS, H.P., ALVA, A.K., HAMM, P., RIGA, E. FALL PLANTED COVER CROP TRIAL IN FOUR YEAR CROP ROTATION. ECOLOGICAL AND ORGANIC FARM MANAGEMENT WORKSHOP PROCEEDINGS, WILSONVILLE, OR. WASH. ST. UNIV. CENTER FOR SUSTAINING AGRIC. AND NAT. RESOURCES. FEB 2004. p. 19.
Paul, E.A., Collins, H.P., Paustian, K., Elliott, E.T., Frey, S., Cole, C.V., Juma, N., Janzen, H., Campbell, C.A. 2004. The effect of management on the dynamics and storage capacity of soil organic matter in the canadian prairies. Canadian Journal of Soil Science. 84:49-61.
Boydston, R.A., Al-Khatib, K., Vaughn, S.F., Collins, H.P., Alva, A.K. 2004. Weed suppression using cover crops and seed meals. Abstracts of the First International Biofumigation Conference, Florence, Italy, March 2004.
ALVA, A.K., COLLINS, H.P., BOYDSTON, R.A., MARCOS, J., REDDY, V. MANAGEMENT STRATEGIES TO IMPROVE SUSTAINABILITY OF IRRIGATED POTATO ROTATION CROPPING SYSTEMS. INTERNATIONAL SOIL AND WATER CONSERVATION CONFERENCE (In Press) 2004.
Fraisse, C., Marcos, J., Alva, A.K., Collins, H.P. 2003. Evaluation of simpotato and substor for potato growth and development simulation in the Columbia Basin. ASAE Annual International Meeting. Transactions of the American Society of Agricultural Engineers. (On CD).
COCHRAN, R.L., COLLINS, H.P., GRUNWALD, N.J., KENNEDY, A.C. SOIL MICROBIAL RESPONSES TO CONVERSION OF NATIVE SHRUB-STEPPE ECOSYSTEM TO IRRIGATED AGROECOSYSTEM. AMERICAN SOCIETY OF AGRONOMY ABSTRACTS - CD-SO3, Cochran 697377. 2003.
RIGA, E.H., COLLINS, H.P. THE EFFECT OF COMBINING SYNTHETIC NEMATICIDES AND ORGANIC NEMATICIDES ON PLANT PARASITIC NEMATODES OF POTATOES. POTATO ASSOCIATION OF AMERICA PROCEEDINGS. 2003. G18, p.35.
RIGA, E., MOJTAHEDI, H., COLLINS, H.P., WILSON, J. EDAPHIC AND BIOLOGICAL FACTORS IMPACTING METHAM SODIUM EFFICACY TO CONTROL ROOT-KNOT NEMATODES IN THE PACIFIC NORTHWEST. POTATO ASSOCIATION OF AMERICA PROCEEDINGS. 2003. G17, p. 35.
ALVA, A.K., COLLINS, H.P., BOYDSTON, R.A. NITROGEN MINERALIZATION IN A POTATO CROPPING SYSTEM. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting Abstracts(on CD) 2003.
COLLINS, H.P., CAVIGELLI, M.A. SOIL MICROBIAL COMMUNITY CHARACTERISTICS ALONG AN ELEVATION GRADIENT IN THE LAGUNA MOUNTAINS OF SOUTHERN CALIFORNIA. SOIL BIOLOGY AND BIOCHEMISTRY. 2003. V. 35. P. 1027-1037.
COLLINS, H.P., ALVA, A.K., BOYDSTON, R.A., MCGUIRE, A., HAMM, P., RIGA, E. RESPONSE OF THE SOIL MICROBIAL COMMUNITY TO SOIL FUMIGATION AND MUSTARD COVER CROPS. POTATO PROGRESS, Vol. 2(8):1-4. 2002.
COLLINS, H.P., ALVA, A.K., FRANSEN, S. NUTRIENT DYNAMICS OF DAIRY MANURE APPLIED TO AGRICULTURAL LANDS IN EASTERN WASHINGTON. AGRONOMY ABSTRACTS (ON CD) 2002.
ALVA, A.K., PARAMASIVAM, S., COLLINS, H.P., SAJWAN, K.S., BOYDSTON, R.A. A COMPARISON OF BROMIDE AND NITRATE TRANSPORT IN SOILS. AGRONOMY ABSTRACTS (ON CD) 2002.
ALVA, A.K., COLLINS, H.P., BOYDSTON, R.A. NITROGEN TRANSFORMATION FROM POTATO AND ROTATIONAL CROP RESIDUES. PROCEEDINGS 41ST WASHINGTON STATE POTATO CONFERENCE, P. 75-86. 2002.
ALVA, A.K., COLLINS, H.P., PARAMASIVAM, S., SAJWAN, K., FARES, A. EVALUATION AND MITIGATION OF POLLUTANT TRANSPORT IN AGRICULTURAL SANDY SOILS. TRANSACTIONS OF THE SEVENTEENTH WORLD CONGRESS OF SOIL SCIENCE, (ON CD) PAPER #458, 0458.PDF. 2002.
ALVA, A.K., COLLINS, H.P., PARAMASIVAM, S., SAJWAN, K., FARES, A. EVALUATION AND MITIGATION OF POLLUTANT TRANSPORT IN AGRICULTURAL SANDY SOILS. TRANSACTIONS OF THE SEVENTEENTH WORLD CONGRESS OF SOIL SCIENCE, (ON CD) PAPER #458, 0458.PDF. 2002.
ALVA, A.K., COLLINS, H.P., PARAMASIVAM, S., SAJWAN, K.S. EVALUATION AND MITIGATION OF POLLUTANT TRANSPORT IN AGRICULTURAL SANDY SOILS. 17TH WORLD CONGRESS OF SOIL SCIENCE, Bangkok, Thailand, August 14-21, 2002, Vol. 1:116. 2002.
ALVA, A.K., COLLINS, H.P., PARAMASIVAM, S., SAJWAN, K., FARES, A. EVALUATION AND MITIGATION OF POLLUTANT TRANSPORT IN AGRICULTURAL SANDY SOILS. TRANSACTIONS OF THE SEVENTEENTH WORLD CONGRESS OF SOIL SCIENCE, (ON CD) PAPER #458, 0458.PDF. 2002.
ALVA, A.K., COLLINS, H.P., PARAMASIVAM, S., SAJWAN, K., FARES, A. EVALUATION AND MITIGATION OF POLLUTANT TRANSPORT IN AGRICULTURAL SANDY SOILS. TRANSACTIONS OF THE SEVENTEENTH WORLD CONGRESS OF SOIL SCIENCE, (ON CD) PAPER #458, 0458.PDF. 2002.
ALVA, A.K., COLLINS, H.P., BOYDSTON, R.A. CORN, WHEAT AND POTATO CROP RESIDUE DECOMPOSITION AND NITROGEN MINERALIZATION IN SANDY SOILS UNDER AN IRRIGATED POTATO ROTATION. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 33:2643-2651. 2002.
ALVA, A.K., HODGES, T., BOYDSTON, R.A., COLLINS, H.P. EFFECTS OF IRRIGATION AND TILLAGE PRACTICES ON YIELD OF POTATO UNDER HIGH PRODUCTION CONDITIONS IN THE PACIFIC NORTHWEST. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 33:1451-1460. 2002.
ALVA, A.K., HODGES, T., COLLINS, H.P., BOYDSTON, R.A. DRY MATTER AND NITROGEN ACCUMULATIONS AND PARTITIONING IN TWO POTATO CULTIVARS. JOURNAL OF PLANT NUTRITION, 25:1621-1630. 2002.
ALVA, A.K., COLLINS, H.P., BOYDSTON, R.A., DAVENPORT, J., STEVENS, R.G. NITROGEN TRANSFORMATION FROM CROP RESIDUES IN A PACIFIC NORTHWEST IRRIGATEDSANDY SOIL. INTERNATIONAL SYMPOSIUM ON SOIL AND PLANT ANALYSIS, p. 6. 2001.