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United States Department of Agriculture

Agricultural Research Service

William B Stevens (Bart)
Research Agronomist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Nitrogen balance in response to dryland crop rotations and cultural practices -
Sainju, U.M., Lenssen, A.W., Allen, B.L., Stevens, W.B., Jabro, J.D. 2016. Nitrogen balance in response to dryland crop rotations and cultural practices. Agriculture, Ecosystems and Environment. 233:25-32. doi: 10.1016/j.agee.2016.08.023
Physical and hydraulic properties of a sandy loam soil under zero, shallow and deep tillage practices Reprint Icon -
Jabro, J.D., Iversen, W.M., Stevens, W.B., Evans, R.G., Mikha, M.M., Allen, B.L. 2016. Physical and hydraulic properties of a sandy loam soil under zero, shallow and deep tillage practices. Soil & Tillage Research. 159: 67–72.
Malt barley yield and quality affected by irrigation, tillage, crop rotation, and nitrogen fertilization Reprint Icon -
Stevens, W.B., Sainju, U.M., Caesar, T., Iversen, W.M. 2015. Malt barley yield and quality affected by irrigation, tillage, crop rotation, and nitrogen fertilization. Agronomy Journal. 107(6):2107-2119. doi:10.2134/agronj15.0027
Effect of three tillage depths on sugarbeet response and soil penetrability resistance Reprint Icon -
Jabro, J.D., Iversen, W.M., Stevens, W.B., Evans, R.G., Mikha, M.M., Allen, B.L. 2015. Effect of three tillage depths on sugarbeet response and soil penetrability resistance. Agronomy Journal. 107(4):1481-1488. DOI: 10.2134/agronj14.0561.
Strip tillage and high-efficiency irrigation applied to a sugarbeet- barley rotation Reprint Icon -
Stevens, W.B., Evans, R.G., Iversen, W.M., Jabro, J.D., Sainju, U.M., Allen, B.L. 2015. Strip tillage and high-efficiency irrigation applied to a sugarbeet-barley rotation. Agronomy Journal. 107(4):1250-1258. DOI: 10.2134/agronj14.0525.
Spatial and temporal variability of soil penetration resistance transecting sugarbeet rows and inter-rows in tillage systems Reprint Icon -
Jabro, J.D., Stevens, W.B., Iversen, W.M., Evans, R.G. 2015. Spatial and temporal variability of soil penetration resistance transecting sugarbeet rows and inter-rows in tillage systems. Agronomy Journal. 31(2):237-246. DOI: 10.13031/aea.31.10722.
Crop water productivity of sugarbeet as affected by tillage Reprint Icon -
Jabro, J.D., Stevens, W.B., Iversen, W.M., Evans, R.G., Allen, B.L. 2014. Crop water productivity of sugarbeet as affected by tillage. Agronomy Journal. 106(6):2280-2286.
Conservation Agriculture in North America -
Hansen, N.C., Tubbs, S.R., Fernandez, F.G., Green, S., Hansen, N., Stevens, W.B. 2015. Chapter 17: Conservation agriculture in North America. In: Farooq, M. and Siddique, K., Editors. Conservation Agriculture. Switzerland: Springer International Publishing. XIX, p. 417-442.
Nitrogen dynamics affected by management practices in croplands transitioning from Conservation Reserve Program Reprint Icon -
Sainju, U.M., Stevens, W.B., Caesar, T., Montagne, C. 2014. Nitrogen dynamics affected by management practices in croplands transitioning from Conservation Reserve Program. Agronomy Journal. 106(5):1677-1689.
Soil-aggregating bacterial community as affected by irrigation, tillage, and cropping system in the Northern Great Plains -
Repeated freeze-thaw cycle effects on soil compaction in a clay loam in northeastern Montana Reprint Icon -
Jabro, J.D., Iversen, W.M., Evans, R.G., Allen, B.L., Stevens, W.B. 2014. Repeated freeze-thaw cycle effects on soil compaction in a clay loam in northeastern Montana. Soil Science Society of America Journal. 78(3): 737-744. DOI: 10.2136/sssaj2013.07.0280.
Soil-aggregating bacterial community as affected by irrigation, tillage, and cropping system in the Northern Great Plains Reprint Icon -
Caesar, T., Stevens, W.B., Sainju, U.M., Caesar, A.J., West, M.S., Gaskin, J.F. 2014. Soil-aggregating bacterial community as affected by irrigation, tillage, and cropping system in the Northern Great Plains. Soil Science. 179(1):11-20.
Soil carbon and crop yields affected by irrigation, tillage, crop rotation, and nitrogen fertilization Reprint Icon -
Sainju, U.M., Stevens, W.B., Caesar, T. 2014. Soil carbon and crop yields affected by irrigation, tillage, crop rotation, and nitrogen fertilization. Soil Science Society of America Journal. 78(3):936-948. DOI: 10.2136/sssaj2013.12.0514.
Net global warming potential and greenhouse gas intensity influenced by irrigation, tillage, crop rotation, and nitrogen fertilization Reprint Icon -
Sainju, U.M., Stevens, W.B., Caesar, T., Liebig, M.A., Wang, J. 2014. Net global warming potential and greenhouse gas intensity influenced by irrigation, tillage, crop rotation, and nitrogen fertilization. Journal of Environmental Quality. 43(3):777–788.
Irrigation system and tillage effects on soil carbon and nitrogen fractions Reprint Icon -
Sainju, U.M., Stevens, W.B., Evans, R.G., Iversen, W.M. 2013. Irrigation system and tillage effects on soil carbon and nitrogen fractions. Soil Science Society of America Journal. 77(4):1225-1234.
Water use and water productivity of sugarbeet, malt barley and potato as affected by irrigation frequency Reprint Icon -
Jabro, J.D., Iversen, W.M., Evans, R.G., Stevens, W.B. 2012. Water use and water productivity of sugarbeet, malt barley and potato as affected by irrigation frequency. Agronomy Journal. 104(6):1510-1516.
Soil greenhouse gas emissions affected by irrigation, tillage, crop rotation, and nitrogen fertilization Reprint Icon -
Sainju, U.M., Stevens, W.B., Caesar, T., Liebig, M.A. 2012. Soil greenhouse gas emissions affected by irrigation, tillage, crop rotation, and nitrogen fertilization. Journal of Environmental Quality. 41:1774-1786.
Bulk density, water content and hydraulic properties of a sandy loam soil following conventional or strip tillage Reprint Icon -
Jabro, J.D., Stevens, W.B., Iversen, W.M., Evans, R.G. 2011. Bulk density, water content and hydraulic properties of a sandy loam soil following conventional or strip tillage. Applied Engineering in Agriculture. 27(5):765-768.
Sugarbeet productivity as influenced by fertilizer band depth and nitrogen rate in strip tillage Reprint Icon -
Stevens, W.B., Evans, R.G., Jabro, J.D., Iversen, W.M. 2011. Sugarbeet productivity as influenced by fertilizer band depth and nitrogen rate in strip tillage. Journal of Sugarbeet Research. 137-154.
Tillage effects on soil physical properties, sugarbeet yield and quality -
Nitrogen Availability for Sugarbeet affected by Tillage System and Sprinkler Irrigation Method Reprint Icon -
Stevens, W.B., Evans, R.G., Jabro, J.D., Iversen, W.M. 2010. Nitrogen Availability for Sugarbeet affected by Tillage System and Sprinkler Irrigation Method. Agronomy Journal. 102:1745-1752.
Estimation of CO2 diffusion coefficient at 0-10 cm depth in undisturbed and tilled soils Reprint Icon -
Jabro, J.D., Sainju, U.M., Stevens, W.B., Evans, R.G. 2012. Estimation of CO2 diffusion coefficient at 0-10 cm depth in undisturbed and tilled soils. Archives of Agronomy and Soil Science . 58(1): 1-9.
Fall application of polymer-coated urea in strip-till sugarbeet -
Development of Combined Site-Specific MESA and LEPA Methods on a Linear Move Sprinkler Irrigation System Reprint Icon -
Evans, R.G., Iversen, W.M., Stevens, W.B., Jabro, J.D. 2010. Development of Combined Site-Specific MESA and LEPA Methods on a Linear Move Sprinkler Irrigation System. Applied Engineering in Agriculture. 26(5):883-895.
Land Use and Management Practices Impact on Plant Biomass Carbon and Soil Carbon Dioxide Emission Reprint Icon -
Sainju, U.M., Stevens, W.B., Caesar, T., Jabro, J.D. 2010. Land use and management practices impact on plant biomass carbon and soil carbon dioxide emission. Soil Science Society of America Journal. 74(5):1613-1622.
Spatial and Temporal Variations of Soil Penetration Resistance across Rows of Sugarbeet under Two Tillage Systems -
Jabro, J.D., Stevens, W.B., Evans, R.G., Iversen, W.M. 2010. Spatial and Temporal Variations of Soil Penetration Resistance across Rows of Sugarbeet under Two Tillage Systems. In: Geophysical Research Abstracts, Vol. 12, EGU2010-1206. 2010 EGU General Assembly, May 2-5, Vienna, Austria. Cd-Rom.
Spatial Variability and Correlation of Selected Soil Properties in the AP Horizon of the CRP Grassland Reprint Icon -
Jabro, J.D., Stevens, W.B., Evans, R.G., Iversen, W.M. 2010. Spatial Variability and Correlation of Selected Soil Properties in the AP Horizon of the CRP Grassland. Applied Engineering in Agriculture. 26(3):419-428.
Carbon Input and Soil Carbon Dioxide Emission Affected by Land Use and Management Practices -
Sainju, U.M., Stevens, W.B., Caesar, T., Jabro, J.D. 2010. Carbon Input and Soil Carbon Dioxide Emission Affected by Land Use and Management Practices. Proceedings of the 19th Congress of Soil Science. p. 12-15.
Tillage Effects on Bulk Density and Hydraulic Properties of a Sandy Loam Soil in the Mon-Dak Region, USA -
Jabro, J.D., Stevens, W.B., Iversen, W.M., Evans, R.G. 2010. Tillage Effects on Bulk Density and Hydraulic Properties of a Sandy Loam Soil in the Mon-Dak Region, USA. [CD ROM]. Proceedings of the 19th Congress of Soil Science.
Development of Strip Tillage on Sprinkler Irrigated Sugarbeet Reprint Icon -
Evans, R.G., Stevens, W.B., Iversen, W.M. 2010. Development of Strip Tillage on Sprinkler Irrigated Sugarbeet. Applied Engineering in Agriculture. 26(1): 59-69.
Tillage effects on physical properties in two soils of the Northern Great Plains Reprint Icon -
Jabro, J.D., Stevens, W.B., Evans, R.G., Iversen, W.M. 2009. Tillage effects on physical properties in two soils of the Northern Great Plains. Applied Engineering in Agriculture. 24(3): 377-382.
Long-term Tillage Influences on Soil Physical Properties under Dryland Conditions in Northeastern Montana Reprint Icon -
Jabro, J.D., Sainju, U.M., Stevens, W.B., Lenssen, A.W., Evans, R.G. 2009. Long-term Tillage Influences on Soil Physical Properties under Dryland Conditions in Northeastern Montana. Archives of Agronomy and Soil Science. 55(6):633-640.
Where does Strip Tillage Fit in Montana and Wyoming Sugarbeet Production -
Stevens, W.B., Evans, R.G., Iversen, W.M. 2009. Where does Strip Tillage Fit in Montana and Wyoming Sugarbeet Production [Abstract]. 36-40.
Managing Nitrogen Inputs to Optimize Grower Returns -
Stevens, W.B., Eckhoff, J. 2009. Managing Nitrogen Inputs to Optimize Grower Returns [Meeting Abstract]. 31-32.
Where does Strip Tillage Fit in Montana Irrigated Crops -
Stevens, W.B., Evans, R.G., Iversen, W.M. 2009. Where does Strip Tillage Fit in Montana Irrigated Crops [Abstract]. 21-23.
Tillage depth effects on soil physical properties, sugarbeet yield and quality Reprint Icon -
Jabro, J.D., Stevens, W.B., Iversen, W.M., Evans, R.G. 2010. Tillage depth effects on soil physical properties, sugarbeet yield and quality. Communications in Soil Science and Plant Analysis. 41: 7:908 -916.
Performance Evaluation of Automated Passive Capillary Sampler for Estimating Water Drainage in the Vadose Zone -
Jabro, J.D., R.G. Evans, W.M. Iversen and, B.W. Stevens. 2009. Performance Evaluation of Automated Passive Capillary Sampler for Estimating Water Drainage in the Vadose Zone. Annual International Meeting of the American Society of Agricultural and Biological Engineers (ASABE) Reno, NV, June 20-24, 2009. Cd-Rom.
Response of Eight Sugarbeet Varieties to Increasing Nitrogen Application: 1. Root, Sucrose, and Top Yield Reprint Icon -
Stevens, W.B., Violette, R., Skalsky, S., Mesbah, A.O. 2009. Response of Eight Sugarbeet Varieties to Increasing Nitrogen Application: 1. Root, Sucrose, and Top Yield. Journal of Sugarbeet Research. 45:65-83.
Tillage and irrigation method effects on yield and quality of sugarbeet and malting barley -
Stevens, W.B., Evans, R.G., Jabro, J.D., Iversen, W.M. 2008. Tillage and irrigation method effects on yield and quality of sugarbeet and malting barley. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting.
Passive capillary sampler for measuring soil water drainage and flux in the vadose zone: Design, performance and enhancement Reprint Icon -
Jabro, J.D., Kim, Y., Evans, R.G., Iversen, W.M., Stevens, W.B. 2008. Passive capillary sampler for measuring soil water drainage and flux in the vadose zone: Design, performance and enhancement. Applied Engineering in Agriculture. 24(4):439-446.
Tillage depth effects on soil physical properties, sugarbeet yield and quality -
Jabro, J.D., Stevens, W.B., Iversen, W.M., Evans, R.G. 2008. Tillage depth effects on soil physical properties, sugarbeet yield and quality. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. October 4-9, 2008, Houston, TX. Cd-Rom.
Examination of field soils in the Northern Rocky Mountain Region for Cercospora beticola by ELISA and PCR -
Lartey, R.T., Caesar, T., Allen, B.L., Hanson, S.L., Stevens, W.B., Evans, R.G. 2008. Examination of field soils in the Northern Rocky Mountain Region for Cercospora beticola by ELISA and PCR. Journal of Plant Pathology. 90(2):S2.81-S2.465.
Impact of fuel and nitrogen prices on profitability of selected crops: A case study Reprint Icon -
Skalsky, S., Jacobs, J.J., Menkahaus, D., Stevens, W.B. 2008. Impact of fuel and nitrogen prices on profitability of selected crops: A case study. Agronomy Journal. 100:1161-1165.
Management practices affects soil carbon dioxide emission and carbon storage -
Sainju, U.M., Jabro, J.D., Stevens, W.B. 2008. Management practices affects soil carbon dioxide emission and carbon storage. CSA News. 53:5-6.
Strip tillage for sugarbeet and its implications for N fertilizer management -
Stevens, W.B., Iversen, W.M., Evans, R.G., Jabro, J.D., Kim, Y. 2008. Strip tillage for sugarbeet and its implications for N fertilizer management. Proceedings of Great Plains Soil Fertility Conference. 12:54-60.
Long-term tillage frequency effects on dryland soil physical and hydraulic properties -
Jabro, J.D., Sainju, U.M., Stevens, W.B., Lenssen, A.W., Evans, R.G. 2008. Long-term tillage frequency effects on dryland soil physical and hydraulic properties. International Soil Conservation Organization Conference Proceedings. May 15-23, 2008. Budapest, Hungary.
Effect of Tillage on Soil Hydraulic Conductivity in Two Contrasting Soil Textures -
Jabro, J.D., Stevens, W.B., Evans, R.G., Iversen, W.M. 2007. Effect of Tillage on Soil Hydraulic Conductivity in Two Contrasting Soil Textures. Agronomy Abstracts. In: Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting, November 4-9, 2007, New Orleans, Louisianna. CD-ROM.
REPEATABILITY OF SOIL APPARENT ELECTRICAL CONDUCTIVITY MEASURED BY A COULTER SENSOR -
Jabro, J.D., Evans, R.G., Stevens, W.B., Iversen, W.M. 2008. Repeatability of soil apparent electrical conductivity measured by a coulter sensor. Soil Science. 173(1):35-45.
In-season movement of fertilizer nitrogen in conventional and strip till sugarbeet systems -
Stevens, W.B., Jabro, J.D., Evans, R.G., Iversen, W.M. 2007. In-season movement of fertilizer nitrogen in conventional and strip till sugarbeet systems. American Society of Agronomy Meetings.
Ecology and function of culturable microbes in soil aggregation -
Caesar, T., Caesar, A.J., Gaskin, J.F., Sainju, U.M., Stevens, W.B. 2008. Ecology and function of culturable microbes in soil aggregation. In: Tian-Xiao Liu, editor. Soil Ecology Research Developments. Hauppauge, NY:2007 Science Publishers, Inc. p. 121-138.
Carbon dioxide flux as affected by tillage and irrigation in soil converted from perennial forages to annual crops Reprint Icon -
Jabro, J.D., Sainju, U.M., Stevens, W.B., Evans, R.G. 2008. Carbon dioxide flux as affected by tillage and irrigation in soil converted from perennial forages to annual crops. Journal of Environmental Management. 88: 1478-1484.
Sugarbeet Yield and Nitrogen Use Efficiency with Pre-plant Broadcast, Banded, or Point-Injected Nitrogen Application Reprint Icon -
Stevens, W.B., Blaylock, A.D., Hopkins, B.G., Ellsworth, J.W., Krall, J.M. 2007. Sugarbeet Yield and Nitrogen Use Efficiency with Pre-plant Broadcast, Banded, or Point-Injected Nitrogen Application. Agronomy Journal. 99:1252-1259.
Precision fertilization of Wyoming sugar beets: A case study Reprint Icon -
Taulealea, S., Held, D.J., Stevens, W.B., Bradley, D. 2007. Precision fertilization of Wyoming sugar beets: A case study. Journal of American Society of Farm Managers and Rural Appraisers. 70:44-47.
Two irrigation methods on strip-tilled and conventionally tilled sugarbeets and barley -
Stevens, W.B., Evans, R.G., Iversen, W.M. 2007. Two irrigation methods on strip-tilled and conventionally tilled sugarbeets and barley. The Sugarbeet Grower. 46(2):4-6.
SOIL CARBON DIOXIDE EMISSION AND CARBON SEQUESTRATION AS AFFECTED BY IRRIGATION, TILLAGE, CROPPING SYSTEM, AND NITROGEN FERTILIZATION -
Sainju, U.M., Jabro, J.D., Stevens, W.B. 2008. Soil carbon dioxide emission and carbon sequestration as influenced by irrigation, tillage, cropping system, and nitrogen fertilization. Journal of Environmental Quality. 37:98-106.
Soil carbon dioxide fluxes in relation to physical properties as influenced by management practices -
Jabro, J.D., Sainju, U.M., Stevens, W.B., Evans, R.G. 2006. Soil carbon dioxide fluxes in relation to physical properties as influenced by management practices [CD-ROM]. Agronomy Abstracts. Indianapolis, Indiana: Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting.
Nitrogen Uptake and Utilization by Strip-Till Sugarbeet -
Stevens, W.B., Evans, R.G., Iversen, W.M., Jabro, J.D. 2006. Nitrogen Uptake and Utilization by Strip-Till Sugarbeet. In: ASA-CSSA-SSSA Annual Meeting Abstracts, November 12-16, 2006, Indianapolis, IN. Poster.
STRIP TILLAGE ON SPRINKLER IRRIGATED SUGAR BEETS -
Evans, R.G., Iversen, W.M., Stevens, W.B. 2006. Strip tillage on sprinkler irrigated sugar beets. ASABE Annual International Meeting. Paper 061030. CD-ROM.
REPEATABILITY OF SOIL APPARENT ELECTRICAL CONDUCTIVITY MEASURED BY THE VERIS 3100 SENSOR -
Jabro, J.D., Evans, R.G., Stevens, W.B., Iversen, W.M. 2006. Repeatability of soil apparent electrical conductivity measured by the Veris 3100 Sensor. ASABE Annual International Meeting, July 9-12, 2006. Portland, Oregon. 2006 CD-ROM.
SPATIAL RELATIONSHIPS AMONG SOIL PHYSICAL PROPERTIES IN A GRASS-ALFALFA HAY FIELD -
Jabro, J.D., Stevens, W.B., Evans, R.G. 2006. Spatial relationships among soil physical properties in a grass-alfalfa hay field. Soil Science. 17:719-727.
SOIL CARBON DIOXIDE EMISSION AS INFLUENCED BY IRRIGATION, TILLAGE, CROPPING SYSTEM, AND NITROGEN FERTILIZATION -
Sainju, U.M., Jabro, J.D., Stevens, W.B. 2006. Soil carbon dioxide emission as influenced by irrigation, tillage, cropping system, and nitrogen fertilization. Workshop on Agricultural Air Quality. pp. 1086-1098.
CHARACTERIZATION OF SPATIAL VARIABILITY OF SOIL ELECTRICAL CONDUCTIVITY AND CONE INDEX USING COULTER AND PENETROMETER-TYPE SENSORS. -
Jabro, J.D., Evans, R.G., Kim, Y., Stevens, W.B., Iversen, W.M. 2006. Characterization of spatial variability of soil electrical conductivity and cone index using coulter and penetrometer-type sensors. Soil Science. 171(8):627-637.
STRIP-TILL RESEARCH ON BEETS -
Evans, R.G., Iversen, W.M., Stevens, W.B. 2006. Strip-till research on beets. The Sugarbeet Grower. 45(2):16-19.
COMBINED LEPA AND MESA IRRIGATION ON A SITE SPECIFIC LINEAR MOVE SYSTEM -
Evans, R.G., Stevens, W.B., Iversen, W.M. 2005. Combined lepa and mesa irrigation on a site specific linear move system. In: Proceedings of the 26th International Irrigation Show. International Irrigation Show, November 6-8, 2005. Phoenix, Arizona. 13 pp. 2005 CDROM.
SPATIAL VARIABILITY OF THE APPARENT ELECTRICAL CONDUCTIVITY AND CONE INDEX AS MEASURED WITH SENSING TECHNOLOGIES: ASSESSMENT AND COMPARISON -
Jabro, J.D., Evans, R.G., Kim, Y., Stevens, W.B., Iversen, W.M. 2005. Spatial variability of the apparent electrical conductivity and cone index as measured with sensing technologies: assessment and comparison. ASABE Pacific Northwest Section Meeting, Lethbridge, Alberta, Canada, September 22-24, 2005. Paper PNW05-1017.
SPATIAL VARIABILITY OF PHYSICAL PROPERTIES IN LIHEN SANDY LOAM SOILS -
Jabro, J.D., Stevens, W.B., Evans, R.G. 2005. Spatial variability of physical properties in lihen sandy loam soils. In: Agronomy Abstracts. ASA-CSSA-SSSA International Annual Meetings, November 6-10, 2005, Salt Lake City, Utah. CD-ROM.
ZINC ENHANCES SUGAR BEET EMERGENCE AND YIELD ON A CALCAREOUS SOIL WITH MARGINAL ZINC AVAILABILITY -
Stevens, W.B., Mesbah, A.O. 2005. Zinc sulfate applied to sugarbeet using broadcast, seed-placed, and foliar methods.In: Proceedings of the Western Nutrient Management Conference. March 2, 2005. Salt Lake City, UT. 6:200-207.
Fly Ash as a Liming Material for Corn Production -
Tarkalson, D.D., Hergert, G.W., Stevens, W.B., Mccallister, D.L., Kachman, S.D. 2005. Fly Ash as a Liming Material for Corn Production. Soil Science. 170:386-398.
Redstem filaree control in sugarbeets with micro-rate herbicide treatments -
Mesbah, A.O., Miller, S.D., Stevens, W.B. 2004. Redstem filaree control in sugarbeets with micro-rate herbicide treatments. Online. Crop Management. doi: 10.1094/CM-2004-0826-01-RS.
FATE OF NITROGEN-15 IN A LONG-TERM NITROGEN RATE STUDY: II. NITROGEN UPTAKE EFFICIENCY -
Stevens, W.B., Hoeft, R.G., Mulvaney, R.L. 2005. Fate of nitrogen-15 in a long-term nitrogen rate study: II. nitrogen uptake efficiency. Agronomy Journal. Vol. 97(4):1046-1053.
FATE OF NITROGEN-15 IN A LONG-TERM NITROGEN RATE STUDY: I. INTERACTIONS WITH SOIL NITROGEN -
Stevens, W.B., Hoeft, R.G., Mulvaney, R.L. 2005. Fate of nitrogen-15 in a long-term nitrogen rate study: I. interactions with soil nitrogen. Agronomy Journal. 97(4):1037-1045.
Last Modified: 8/26/2016
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