Search National Agricultural Library Digital Collections
Limit your search
Authors
-
Karlen, D.L. (48)
-
Schepers, J.S. (37)
-
Varvel, G.E. (34)
-
Sadler, E.J. (30)
-
Wilhelm, W.W. (30)
-
Howell, T.A. (29)
-
Shotwell, O.L. (27)
-
Camp, C.R. (24)
-
Hesseltine, C.W. (24)
-
Kwolek, W.F. (24)
- more »
Displaying items
1,991 - 2,000 of
2,034
start over
- Description:
- Paper presented at the ASABE Annual International Meeting held June 21-24, 2009, Reno, Nevada.
- Author:
- Cullum, R.F. , Locke, M.A. , Knight, S.S. , American Society of Agricultural and Biological Engineers. Meeting.
- Subject:
- lakes , surface water , water quality , agricultural runoff , water pollution , agricultural land , crop production , Glycine max , soybeans , Gossypium hirsutum , cotton , Zea mays , corn , Conservation Reserve Program , reduced tillage , agricultural watersheds , sediment yield , water erosion , nonpoint source pollution , nutrients , losses from soil , land use change , afforestation , temperate forests , Mississippi
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Jha, M.K. , Gassman, P.W. , Arnold, J.G.
- Subject:
- agricultural watersheds , rivers , Soil and Water Assessment Tool model , water quality , nonpoint source pollution , nitrate nitrogen , water pollution , stream flow , sediment yield , watershed management , phosphorus , pollution load , nutrient management , land use change , agricultural land , land retirement , grain yield , Zea mays , corn , organic nitrogen compounds , organophosphorus compounds , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- In the special issue: Crop water use efficiency at multiple scales / edited by Timothy R. Green, Qiang Yu, Liwang Ma, and Tian-Duo Wang.
- Author:
- Fang, Q.X. , Ma, L. , Green, T.R. , Yu, Q. , Wang, T.D. , Ahuja, L.R.
- Subject:
- water resources , water use efficiency , crop management , water stress , sustainable agriculture , environmental impact , plant breeding , soil management , irrigation rates , irrigation scheduling , irrigation management , genetic improvement , soil fertility , nitrogen , Triticum aestivum , wheat , Zea mays , corn , grain crops , double cropping , soil water content , nutrient use efficiency , China
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2010
- Description:
- Includes references
- Author:
- Allred, B.J. , Brown, L.C. , Fausey, N.R. , Cooper, R.L. , Clevenger, W.B. , Prill, G.L. , La Barge, G.A. , Thornton, C. , Riethman, D.T. , Chester, P.W. , Czartoski, B.J.
- Subject:
- subsurface irrigation , subsurface drainage , water table , agricultural runoff , water reuse , reservoirs , constructed wetlands , agricultural watersheds , crop yield , grain yield , Zea mays , corn , Glycine max , soybeans , Ohio
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2003
- Description:
- Includes references.
- Author:
- Alessi, J. , Power, J.F.
- Subject:
- Zea mays , water uptake , water use efficiency , plant density , row spacing , dry environmental conditions , dryland farming , silt loam soils , hybrids , maturity groups , soil water content , evapotranspiration , semiarid zones , grain yield , correlation , regression analysis , North Dakota , Great Plains region
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1976
- Description:
- In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
- Author:
- Cambardella, C.A. , Moorman, T.B. , Andrews, S.S. , Karlen, D.L.
- Subject:
- soil quality , soil biological properties , soil chemical properties , soil physical properties , spatial distribution , ridge tillage , conventional tillage , long term effects , loess soils , silt loam soils , corn soils , continuous cropping , corn , Zea mays , hills , landforms , watersheds , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Altland, James
- Subject:
- growing media , bark , container-grown plants , Panicum virgatum , Salix , Miscanthus sinensis , corn stover , Zea mays , energy crops , organic wastes , plant nurseries , pH , nutrients , physicochemical properties , new methods , new products , Midwestern United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2010
- Description:
- Includes references
- Author:
- Yamoah, C.F. , Varvel, G.E. , Francis, C.A. , Waltman, W.J.
- Subject:
- Zea mays , Glycine max , Sorghum bicolor , Trifolium pratense , Melilotus officinalis , Avena sativa , crop rotation , crop yield , crop management , meteorological parameters , soil fertility , meteorological data , precipitation , soil temperature , soil water content , seasonal variation , nitrogen fertilizers , continuous cropping , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1998
- Description:
- Includes references
- Author:
- Tracy, Benjamin F. , Davis, Adam S.
- Subject:
- Zea mays , corn , grain crops , Avena sativa , oats , livestock , weeds , agroecosystems , botanical composition , species diversity , integrated agricultural systems , crop rotation , grazing , cover crops , corn stover , crop residue management , innovation adoption , weed control , Illinois
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Westra, P. , Wilson, R.G. , Miller, S.D. , Stahlman, P.W. , Wicks, G.W. , Chapman, P.L. , Withrow, J. , Legg, D. , Alford, C. , Gaines, T.A.
- Subject:
- Zea mays , corn , Triticum aestivum , spring wheat , Beta vulgaris , sugar beet , transgenic plants , glyphosate , herbicide resistance , weed control , field experimentation , population dynamics , Chenopodium album , broadleaf weeds , grass weeds , crop rotation , mechanism of action , application rate , Fallopia convolvulus , Nebraska , Wyoming , Colorado
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
