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United States Department of Agriculture

Agricultural Research Service

DAVID HUGGINS
Land Management and Water Conservation Research
Soil Scientist

Phone: (509) 335-3379
Fax: (509) 335-3842
Room 215
JOHNSON HALL, WSU
PULLMAN, WA, 99164-6421

Projects
Mitigating Agricultural Sources of Particulate Matter and Greenhouse Gas Emissions in the Pacific Northwest
Appropriated (D)
  Accession Number: 419046
Establish a General Framework for Cooperation for Research on Crop and Soil Science Projects
Nonfunded Cooperative Agreement (N)
  Accession Number: 424299

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Remediation of Stratified Soil Acidity Through Surface Application of Lime in No-Till Cropping Systems - (Abstract Only)
Mcfarland, C., Huggins, D.R., Brown, T., Schroeder, K., Koenig, R., Blackburn, J., Carpenter-Boggs, L., Paulitz, T.C. 2014. Remediation of Stratified Soil Acidity Through Surface Application of Lime in No-Till Cropping Systems. WSU Dryland Field Day Abstracts. 14-1. Pg. 34.
LiDAR based biomass and crop nitrogen estimates for rapid, non-destructive assessment of wheat nitrogen status - (Peer Reviewed Journal)
Eitel, J.U., Magney, T.S., Vierling, L.S., Brown, T.T., Huggins, D.R. 2014. LiDAR based biomass and crop nitrogen estimates for rapid, non-destructive assessment of wheat nitrogen status. Field Crops Research. 159 (2014) 21–32.
Effect of climate on the distribution of Fusarium species causing crown rot of wheat in the Pacific Northwest of the US - (Peer Reviewed Journal)
Poole, G.J., Smiley, R.W., Walker, C., Huggins, D.R., Rupp, R., Abatzoglou, J., Garland Campbell, K.A., Paulitz, T.C. 2013. Effect of climate on the distribution of Fusarium species causing crown rot of wheat in the Pacific Northwest of the US. Phytopathology. 103:1130-1140.
Relationship between climatic factors and distribution of Pratylenchus spp. in the dryland wheat production areas of Eastern Washington - (Peer Reviewed Journal)
Kandel, S.L., Smiley, R.W., Garland Campbell, K.A., Elling, A.A., Abatzoglou, J., Huggins, D.R., Rupp, R., Paulitz, T.C. 2013. Relationship between climatic factors and distribution of Pratylenchus spp. in the dryland wheat production areas of Eastern Washington. Plant Disease. 97:1448-1456.
Simulation of emergence of winter wheat in response to soil temperature, water potential and planting depth - (Peer Reviewed Journal)
Al-Mulla, Y.A., Huggins, D.R., Stockle, C.O. 2014. Simulation of emergence of winter wheat in response to soil temperature, water potential and planting depth. Transactions of the ASABE. 57(3):1-15.
Site-specific trade-offs of harvesting cereal residues as biofuel feedstocks - (Peer Reviewed Journal)
Huggins, D.R., Kruger, C.E., Painter, K.M., Uberuaga, D.P. 2014. Site-specific trade-offs of harvesting cereal residues as biofuel feedstocks. BioEnergy Research. DOI 10.1007/s12155-014-9438-4.
Dryland agriculture’s impact on soil carbon in the Pacific Northwest - (Peer Reviewed Journal)
Brown, T.T., Huggins, D.R. 2012. Dryland agriculture’s impact on soil carbon in the Pacific Northwest. Journal of Soil and Water Conservation. 67:(5)406-415.
Crop residues - (Book / Chapter)
Karlen, D.L., Huggins, D.R. 2014. Crop residues. In: Karlen, D.L., editor. Cellulosic Energy Cropping Systems. Hoboken, NJ: John Wiley & Sons. p. 131-148.
Carbon storage and nitrous oxide emissions of cropping systems in eastern Washington: A simulation study - (Peer Reviewed Journal)
Stöckle, C., Higgins, S., Kamanian, A., Nelson, R., Huggins, D.R., Marcos, J., Collins, H.P. 2012. Carbon storage and nitrous oxide emissions of cropping systems in eastern Washington: A simulation study. Journal of Soil and Water Conservation. 67(5):365-377.
Residue Management Impacts on Field-Scale Snow Redistribution and Soil Water Storage - (Peer Reviewed Journal) - (16-Aug-11)
Residue management impacts on field-scale snow distribution and soil water storage - (Peer Reviewed Journal)
Qiu, H., Huggins, D.R., Wu, J.Q., Barber, M.E., McCool, D.K., Dun, S. 2011. Residue management impacts on field-scale snow distribution and soil water storage. Transactions of the ASABE. Vol. 54(5): 1639-1647.
Spatio-temporal patterns of soil water storage under dryland agriculture at the watershed scale - (Peer Reviewed Journal)
Ibrahim, H.M., Huggins, D.R. 2011. Spatio-temporal patterns of soil water storage under dryland agriculture at the watershed scale. Journal of Hydrology. 404:186-197.
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 - (Book / Chapter)
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.
Evaluation of winter wheat breeding lines for traits related to nitrogen use under organic management - (Peer Reviewed Journal)
Dawson, J.C., Murphy, K.M., Huggins, D.R., Jones, S.S. 2011. Evaluation of winter wheat breeding lines for traits related to nitrogen use under organic management. Organic Agriculture. 1:65–80.
Crop residues of the contiguous United States: Balancing feedstock and soil needs with conservation tillage, cover crops, and biochar - (Book / Chapter)
Johnson, J.M., Arriaga, F.J., Banowetz, G.M., Huggins, D.R., Laird, D., Ottman, M.J., Wienhold, B.J. 2011. Crop residues of the contiguous United States: Balancing feedstock and soil needs with conservation tillage, cover crops, and biochar. In: Braun, R., Karlen, D., Johnson, D., editors. Sustainable Alternative Fuel Feedstock Opportunities, Challenges and Roadmaps for Six U.S. Regions. Ankeny, IA: Soil and Water Conservation Society. Available: www.swcs.org/roadmap.
Introduction: Evaluating long-term impacts of harvesting crop residues on soil quality - (Review Article)
Huggins, D.R., Karow, R.S., Collins, H.P., Ransom, J.K. 2010. Introduction: Evaluating long-term impacts of harvesting crop residues on soil quality. Agronomy Journal. 103:230–233. doi:10.2134/agronj2010.0382s.
Integrated Agricultural Systems Workgroup - (Abstract Only)
Sassenrath, G.F., Hendrickson, J.R., Archer, D.W., Halloran, J.M., Vadas, P.A., Huggins, D.R. 2010. Integrated Agricultural Systems Workgroup. Agriculture, Food, and Human Values Annual Meeting, CDROM.
On-combine Sensing Technique for Mapping Straw Yield within Wheat Fields - (Proceedings)
Long, D.S., Mccallum, J.D., Huggins, D.R. 2010. On-combine Sensing Technique for Mapping Straw Yield within Wheat Fields. In R. Khosla (ed.) 10th International Conference on Precision Agriculture Abstracts & Proceedings.
Pacific Northwest (U.S.) In: Conversion to Sustainable Agriculture: Principles, Processes, and Practices. Stephen R. Gliessman, Martha Rosemeyer, and Sean Swezey (Editors). CRC Press Advances in Agroecology Series - (Book / Chapter)
Miles, C., Granatstein, D., Huggins, D.R., Jones, S., Myers, J. 2009. Pacific Northwest (U.S.) In: Conversion to Sustainable Agriculture: Principles, Processes, and Practices. Stephen R. Gliessman, Martha Rosemeyer, and Sean Swezey (Editors). CRC Press Advances in Agroecology Series. pp 91-116.
Assessing Nitrogen Status of Dryland Wheat Using the Canopy Chlorophyll Content Index - (Peer Reviewed Journal)
Long, D.S., Eitel, J.U., Huggins, D.R. 2009. Assessing Nitrogen Status of Dryland Wheat Using the Canopy Chlorophyll Content Index. Crop Management [Online]. Available: http://www.plantmanagementnetwork.org/cm/element/sum2.aspx?id=8617
Soil Water and Temperature in Chemical versus Reduced-Tillage Fallow in a Mediterranean Climate Reprint Icon - (Peer Reviewed Journal)
Al-Mulla, Y.A., Wu, J.Q., Singh, P., Flury, M., Schillinger, W.F., Huggins, D.R., Stockle, C.O. 2009. Soil Water and Temperature in Chemical versus Reduced-Tillage Fallow in a Mediterranean Climate. Applied Engineering in Agriculture. Vol. 25(1): 45-54.
Can placement of seed row away from relic stubble reduce Rhizoctonia root rot in direct-seeded wheat? Reprint Icon - (Peer Reviewed Journal)
Davis, R.A., Huggins, D.R., Cook, R.J., Paulitz, T.C. 2008. Can placement of seed row away from relic stubble reduce Rhizoctonia root rot in direct-seeded wheat? Soil & Tillage Research. 101 (2008) 37–43. doi:10.1016/j.still.2008.05.014
Lime effects on soil acidity, crop yield and aluminum chemistry in inland Pacific Northwest direct-seed cropping systems Reprint Icon - (Peer Reviewed Journal)
Brown, T.T., Koenig, R.T., Huggins, D.R., Harsh, J.B., Rossi, R.E. 2008. Lime effects on soil acidity, crop yield and aluminum chemistry in inland Pacific Northwest direct-seed cropping systems. Soil Science Society of America Journal 72:634-640.
Characterizing Nitrogen Use Efficiency to Improve Crop Performance in Organic and Sustainable Agricultural Systems Reprint Icon - (Peer Reviewed Journal)
Dawson, J.C., Huggins, D.R., Jones, S.S. 2008. Characterizing Nitrogen Use Efficiency to Improve Crop Performance in Organic and Sustainable Agricultural Systems. Field Crops Research. 107:89-101 [doi:10.1016/j.fcr.2008.01.001].
Constructing a field-scale dynamic landscape model of soil hydrology using data from a distributed wireless sensor network - (Abstract Only) - (25-Dec-07)
Fifty Years of Predicting Wheat Nitrogen Requirements Based on Soil Water, Yield, Protein, and Nitrogen Efficiencies - (Literature Review)
Pan, W.L., Schillinger, W., Huggins, D.R., Koenig, R., Burns, J. 2007. Fifty Years of Predicting Wheat Nitrogen Requirements Based on Soil Water, Yield, Protein, and Nitrogen Efficiencies. Proceedings of the Soil Science Society of America.
No-till: The Quiet Revolution Reprint Icon - (Peer Reviewed Journal)
Huggins, D.R., Reganold, J.P. July 2008. No-till: The Quiet Revolution. Scientific American pp. 70-77.
A Simple Method to Estimate Harvest Index in Grain Crops Reprint Icon - (Peer Reviewed Journal)
Kemanian, A.R., Stockle, C.O., Huggins, D.R., Viega, L.M. 2007. A simple method to estimate harvest index in grain crops. Field Crops Research 103:208-216.
Carbon Sequestration in Native Prairie, Perennial Grass, and No-Tilled and Cultivated Annual Crops in Palouse Silt Loam Soil Reprint Icon - (Peer Reviewed Journal)
Purakayastha, T. J., Huggins, D.R., Smith, J.L. 2007. Carbon Sequestration in Native Prairie, Perennial Grass, and No-Tilled and Cultivated Annual Crops in Palouse Silt Loam Soil. Soil Science Society of America Journal 72:534-540.
Estimating grain and straw nitrogen concentration in grain crops based on aboveground nitrogen concentration and harvest index Reprint Icon - (Peer Reviewed Journal)
Kemanian, A.R., Stockle, C.O., Huggins, D.R. 2007. Estimating grain and straw nitrogen concentration in grain crops based on aboveground nitrogen concentration and harvest index. Agronomy Journal 99:158-165.
Excess N in Soil-Crop Systems: Assessment and Integration with N Recommendations - (Abstract Only)
Huggins, D.R., D.B. Beegle, K. Bronson, A.D. Halvorson, J.J. Meisinger, J.S. Schepers. 2006. Excess N in Soil-Crop Systems: Assessment and Integration with N Recommendations. In Annual meetings abstracts [CD-ROM]. ASA, CSSA, and SSSA, Madison, WI.
Fifty Years of Predicting Wheat Nitrogen Requirements Based on Soil Water, Yield, Protein and Nitrogen Efficiencies - (Abstract Only)
Pan, W.L., William Schillinger, David Huggins, Richard Koenig, and John Burns. 2006. Fifty Years of Predicting Wheat Nitrogen Requirements Based on Soil Water, Yield, Protein and Nitrogen Efficiencies. In Annual meetings abstracts [CD-ROM]. ASA, CSSA, and SSSA, Madison, WI.
Soil Acidity and Lime Responses in the Pacific Nothwest - (Abstract Only)
Carter, P., Brown, T., Porter, L., Huggins, D.R., Wysocki, D., Koening, R. 2006. SOIL ACIDITY AND LIME RESPONSES IN THE PACIFIC NOTHWEST. ASA-CSSA-SSSA Annual Meeting Abstracts. Published online. http:a-c-s.confex.com/crops/2006am/techprogram/p23914.htm.
Field-Scale Variation in Nitrogen Use Efficiency and the Agronomic Performance of Wheat. - (Abstract Only)
Field-scale Variation in Nitrogen Use Efficiency and the Agronomic Performance of Wheat. Huggins, D.R., Rossi, R.E., Kenanian, A.R., Pan, W.L.
Nitrogen Fertilizer Recovery in No-Tillage Wheat: Influence of Previous Crop, Terrain and Application Method. - (Abstract Only)
Nitrogen Fertilizer Recovery in No-Tillage Wheat: Influence of Previous Crop, Terrain and Application Method. Huggins, D.R., Kemanian, A.R., Smith J.L., Stockle, C.O. Abstracts 2005 International Annual Meetings American Society of Agronomy, Nov. 6-10, Salt Lake City, UT
A Simple Method to Simulate Harvest Index in Crop Models - (Abstract Only)
A SIMPLE METHOD TO SIMULATE HARVEST INDEX IN CROP MODELS. Kemanian, A.R., Stockle, C.O. and Huggins, D.R.. Abstracts 2005 International Annual Meetings American Society of Agronomy, Nov. 6-10, Salt Lake City, UT
Corn-soybean sequence and tillage effects on soil carbon dynamics and storage. Reprint Icon - (Peer Reviewed Journal)
Huggins, D.R., Allmaras, R.R., Clapp, C.E., Lamb, J.A., Randall, G.W. Corn-soybean sequence and tillage effects on soil carbon dynamics and storage. Soil Science Society of America Journal 71:145-154. 2007.
Modeling Carbon and Nitrogen Cycling and Greenhouse Gas Emissions from Agricultural Systems. - (Abstract Only)
Modeling Carbon and Nitrogen Cycling and Greenhouse Gas Emissions from Agricultural Systems. Stockle, C.O., Kemanian, A.R., Huggins, D.R., Collins. H.P. Third USDA Symposium on Greenhouse Gases and Carbon Sequestration in Agriculture and Forestry. March 21-24, 2005, Baltimore, Maryland. http://soilcarboncenter.k-state.edu/conference/Technical_Sessions_Oral_Presentations.htm
Carbon Dynamics in Corn-Soybean Crop Sequences: Tillage Effects and Evidence of C Priming. - (Abstract Only)
Carbon Dynamics in Corn-Soybean Crop Sequences: Tillage Effects and Evidence of C Priming. Huggins, D.R. Allmaras, R.R., Clapp, C.E., Lamb, J.A., Randall, G.W. Third USDA Symposium on Greenhouse Gases and Carbon Sequestration in Agriculture and Forestry. March 21-24, 2005, Baltimore, Maryland. http://soilcarboncenter.k-state.edu/conference/Technical_Sessions_Oral_Presentations.htm
Low Soil Disturbance Organic Cropping Systems: Lessons Learned During the First Four Years. - (Abstract Only)
Low Soil Disturbance Organic Cropping Systems: Lessons Learned During the First Four Years. Huggins, D.R.Abstracts 2005 International Annual Meetings American Society of Agronomy. Nov. 6-10, Salt Lake City, UT.
Assessing the Usefulness of Simple Mathematical Models to Describe Soil Carbon Dynamics. - (Abstract Only)
Assessing the Usefulness of Simple Mathematical Models to Describe Soil Carbon Dynamics. Kemanian, A.R., Manoranjan, V.S., Huggins, D.R., Stockle, C.O. Third USDA Symposium on Greenhouse Gases and Carbon Sequestration in Agriculture and Forestry. March 21-24, 2005, Baltimore, Maryland. http://soilcarboncenter.k-state.edu/conference/Technical_Sessions_Oral_Presentations.htm
Resource Conservation and Precision Agriculture: An Agroecologic Synthesis of the Erosive Palouse - (Abstract Only)
Huggins, D.R., Wandschneider, P., Pierce, F.J., Wu, J.Q., Stockle, C.O., McCool, D.K., Rossi, R.E., and Kemanian, A. 2004. Resource conservation and precision agriculture: an agroecologic synthesis of the erosive Palouse. Abstract. ASA-CSSA-SSSA 2004 Annual Meetings Abstracts (Oct. 31 - Nov. 4, 2004, Seattle, WA). Paper No. 5691. American Society of Agronomy, Madison, WI. CDROM.
Transpiration-Use Efficiency of Barley Reprint Icon - (Peer Reviewed Journal)
Kemanian, A.R., C.O. Stockle, D.R. Huggins. 2005. Transpiration-use efficiency of barley. Agricultural and Forest Meteorology. 130/1-2:1-11.
Economically Optimal Nitrogen Fertilization for Yield and Protein in Hard Red Spring Wheat - (Peer Reviewed Journal)
Baker, D.A., Young, D.L., Huggins, D.R., Pan, W.L. 2004. Economically optimal nitrogen fertilization for yield and protein in hard red spring wheat. Agronomy Journal. 96:116-123.
Profitability of Organic Cropping Systems in Southwestern Minnesota - (Peer Reviewed Journal)
Mahoney, P.R., Olson, K.D., Porter, P.M., Huggins, D.R., Perillo, C.A., Crookston, R.K. 2004. Profitability of organic cropping systems in southwestern minnesota. Renewable Agriculture and Food System. 19:1-12.
Enhancing Soil and Water Conservation Through Precision Agriculture - (Abstract Only)
PIERCE, F., KITCHEN, N.R., HUGGINS, D.R., VAN ES, H.M. 2003. ENHANCING SOIL AND WATER CONSERVATION THROUGH PRECISION AGRICULTURE [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
Transpiration-Driven Models for Crop Growth Simulation - (Abstract Only)
STOCKLE, C., KEMANIAN, A., HUGGINS, D.R., HOWELL, T.A. 2003. TRANSPIRATION-DRIVEN MODELS FOR CROP GROWTH SIMULATION. ANNUAL MEETING ABSTRACTS 2003. ASA-CSSA-SSSA, DENVER, CO. 2003 CDROM.
Nutrient Export from Annual Monoculture and Perennial Polyculture Production Systems - (Abstract Only)
Glover, J.D., Huggins, D.R., Dehaan, L.R. 2003. Nutrient export from annual monoculture and perennial polyculture production systems [abstract]. Agronomy Abstracts. Paper no. S06-glover56902-oral.
Transpiration-Driven Models for Crop Growth Simulation - (Abstract Only)
Stockle, C., Kemanian, A., Huggins, D.R., Howell, T.A. 2003. Transpiration-driven models for crop growth simulation [abstract]. Agronomy Abstracts. Paper no.667382.
Regional Scale Variations of Radiation - Use Efficiency in Response to the Environment - (Abstract Only)
Kemanian, A., Stockle, C., Huggins, D.R., Kiniry, J.R. 2003. Regional scale variations of radiation - use efficiency in response to the environment [abstract]. Agronomy Abstracts. Paper no. A03-stockle537550-oral.
Optimizing Planting Time Based on Shaw-Simulated Seed-Zone Moisture and Temperature - (Abstract Only)
Wu, J., Dun, S., Huggins, D.R. 2003. Optimizing planting time based on shaw-simulated seed-zone moisture and temperature [abstract]. Agronomy Abstracts. Paper no. S01-wu942898-oral.
Evaluation of 2 and 4-Year Crop Rotations with Four Management Strategies in Minnesota - (Peer Reviewed Journal)
Porter, P.M., Huggins, D.R., Perillo, C.A., Quiring, S.R., Crookston, R.K. Organic and other management strategies with two- and four-year crop rotations in Minnesota. Agronomy Journal. 2003. v. 95. p. 233-244.
Spatial and Temporal Variation in Economically Optimum N Rate - (Peer Reviewed Journal)
Mamo, M., Malzer, G.L., Mulla, D.J., Huggins, D.R., Strock, J. Spatial and temporal variation in economically optimum N rate. Soil Science Society America Journal. 2003. v. 95. p. 958-964.
Soil Water and Nitrogen Dynamics in Dryland Cropping Systems of Washington State, Usa - (Peer Reviewed Journal)
Fuentes, J.P., Flury, M. Huggins, D.R., Bezdicek, D.F. Soil water and nitrogen dynamics in dryland cropping systems of Washington state, USA. 2003. Soil and Tillage Research v. 71. p. 33-47.
Continuous Corn with Moldboard Tillage: Silage and Fertility Effects on Soil Carbon - (Peer Reviewed Journal)
REICOSKY, D.C., EVANS, S.D., CAMBARDELLA, C.A., ALLMARAS, R.R., WILTS, A.R., HUGGINS, D.R. CONTINUOUS CORN WITH MOLDBOARD TILLAGE: RESIDUE AND FERTILITY EFFECTS ON SOIL CARBON. JOURNAL OF SOIL AND WATER CONSERVATION. 2002. V. 57(5). P. 277-284.
Key Indicators for Assessing Nitrogen Use Efficiency in Cereal-Based Agroecosystems - (Book / Chapter)
Huggins, D.R., Pan, W.L. Key indicators for assessing nitrogen use efficiency in cereal-based agroecosystems. Journal of Crop Production. 2003. v. 8. p. 157-186.
Subsurface drain losses of water and nitrate following conversion of alfalfa and conservation reserve land to row crops - (Peer Reviewed Journal)
Huggins, D.R., Randall, G.W., Russelle, M.P. 2001. Subsurface drain losses of water and nitrate following conversion of alfalfa and conservation reserve land to row crops. Agronomy Journal. 93:477-486.
Agroecosystem - (Book / Chapter) - (01-Jul-00)
Predicting Subsurface Drainage, Corn Yield, and Nitrate Nitrogen Losses with Drainmod-N - (Peer Reviewed Journal) - (31-Jan-00)
Soil Carbon Pools and Fluxes in Long-Term Corn Belt Agroecosystems - (Peer Reviewed Journal) - (01-Aug-99)
Factors Affecting Agricultural Sustainability in the Pacific Northwest, Usa - (Proceedings) - (21-May-99)
Soil Carbon Dynamics in Corn-Based Agroecosystems: Results from Carbon-13 Natural Abandance - (Peer Reviewed Journal) - (01-May-99)
Factors Affecting Agricultural Sustainability in the Pacific Northwest, Usa - (Abstract Only) - (01-Jan-99)
Impact of Tillage and Manure Addition on Runoff and Tile Line Water Quality - (Abstract Only) - (19-Jul-98)
Improving Soil Quality: Implications for Weed Management - (Peer Reviewed Journal) - (01-Jun-98)
Soil Organic C in the Tallgrass Prairie-Derived Region of the Corn Belt: Effects of Long-Term Crop Management - (Peer Reviewed Journal)
Huggins, D.R., Buyanovsky, G.A., Wagner, G.H., Brown, J.R., Darmody, R.G., Peck, T.R., Lesoing, G.W., Vanotti, M.B., Bundy, L.G. 1998. SOIL ORGANIC C IN THE TALLGRASS PRAIRIE-DERIVED REGION OF THE CORN BELT: EFFECTS OF LONG-TERM CROP MANAGEMENT. Soil & Tillage Research. 47:219-234.
Knowledge-Based Decision Support Strategies: Linking Spatial and Temporal Components Within Site-Specific Weed Management - (Peer Reviewed Journal) - (01-Jan-98)
Participatory Action Research: Redefining the Relationship Between Scientist, Farmer, and the Land - (Abstract Only) - (15-Jun-97)
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Last Modified: 9/10/2014
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