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- Description:
- Includes references
- Author:
- Yuan, Yongping , Mehaffey, Megan H. , Lopez, Ricardo , Bingner, Ronald L. , Bruins, Randy , Erickson, Caroline , Jackson, Michael A.
- Subject:
- nitrogen , pollution load , landscape ecology , ecosystem services , environmental models , crops , agricultural land , conservation areas , wetlands , lakes , streams , biofuels , nonpoint source pollution , watersheds , spatial data , simulation models , runoff , corn , Zea mays , crop rotation , Glycine max , conservation practices , water pollution , Illinois , Midwestern United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
- Author:
- T.C. Kaspar , D.B. Jaynes , T.B. Parkin , T.B. Moorman , J.W. Singer
- Subject:
- Avena sativa , Glycine max , Secale cereale , Zea mays , agricultural land , corn , cover crops , crop management , crop production , drainage water , harvest date , land use , nitrates , oats , pollution load , rye , soybeans , spring , subsurface drainage , surface water , temperature , watersheds , Mississippi River , United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2012
- Description:
- Includes references
- Author:
- Meki, M.N. , Marcos, J.P. , Atwood, J.D. , Norfleet, L.M. , Steglich, E.M. , Williams, J.R. , Gerik, T.J.
- Subject:
- Conservation Effects Assessment Project , Zea mays , agricultural land , agricultural management , agricultural policy , clay soils , concentration of production , conservation practices , corn , corn stover , databases , economic feasibility , energy , environmental impact , environmental policy , eroded soils , ethanol , farmers , farms , grain yield , guidelines , loam soils , models , nutrients , plants , resource management , sandy soils , sediments , soil organic carbon , soil texture , watersheds , Mississippi River
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
- Description:
- Includes references
- Author:
- Wang, X. , Harmel, R.D. , Williams, J.R. , Harman, W.L.
- Subject:
- hydrologic models , watersheds , water quality , poultry manure , corn , Zea mays , winter wheat , Triticum aestivum , crop yield , agricultural runoff , losses from soil , soil nutrients , sediments , pollution load , sediment yield , nonpoint source pollution , simulation models , computer software , fertilizer application , application rate , soil erosion , equations , Texas
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006
- Description:
- Includes references
- Author:
- Nair, Sujithkumar Surendran , King, Kevin W. , Witter, Jonathan D. , Sohngen, Brent L. , Fausey, Norman R.
- Subject:
- conservation practices , corn , crop yield , environmental impact , hydrologic models , nitrogen , nutrient balance , pollution load , prediction , soil analysis , soil water , soybeans , stream flow , streams , water quality , watersheds , wheat , Ohio
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
- Description:
- Includes references
- Author:
- Bakhsh, A. , Hatfield, J.L. , Kanwar, R.S. , Ma, L. , Ahuja, L.R.
- Subject:
- Root Zone Water Quality Model , simulation models , agricultural soils , watersheds , nitrate nitrogen , losses from soil , subsurface drainage , drainage water , Zea mays , corn , Glycine max , soybeans , crop yield , water pollution , soil horizons , soil physical properties , soil texture , nitrogen , application rate , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Author:
- R. W. Malone , D. B. Jaynes , L. Ma , B. T. Nolan , D. B. Jaynes , D. B. Jaynes
- Subject:
- Root Zone Water Quality Model , Zea mays , application timing , autumn , corn , crops , fertilizer rates , field experimentation , long term experiments , losses from soil , nitrates , nitrogen fertilizers , rain , rhizosphere , simulation models , soil analysis , soil nutrient dynamics , spring , statistical models , temperature , walnuts , water quality , watersheds , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2010
- Description:
- Includes references
- Author:
- Jaynes, D.B. , Dinnes, D.L. , Meek, D.W. , Karlen, D.L. , Cambardella, C.A. , Colvin, T.S.
- Subject:
- watersheds , water pollution , pollution control , water quality , nitrate nitrogen , leaching , testing , tile drainage , surface water , chemical concentration , nitrogen fertilizers , fertilizer rates , application timing , Zea mays , corn , grain yield , statistical models , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- 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
