Search National Agricultural Library Digital Collections
Displaying
all 9 items
start over
- Description:
- Includes references
- Author:
- Shuster, William D. , Shipitalo, Martin J. , Subler, Scott , Aref, Susanne , McCoy, Edward L.
- Subject:
- earthworms , Lumbricus terrestris , Aporrectodea , Octolasion , inoculation methods , silt loam soils , agricultural soils , population density , leaching , losses from soil , nitrogen , organic nitrogen compounds , agroecosystems , crop rotation , Zea mays , corn , Glycine max , soybeans , Triticum aestivum , wheat , ridge tillage , chiseling , soil nutrient balance , lysimeters , Ohio
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2003
- Description:
- Includes references
- Author:
- Kleinman, P.J.A. , Salon, P. , Sharpley, A.N. , Saporito, L.S.
- Subject:
- phosphorus , agricultural runoff , water erosion , agricultural soils , losses from soil , Zea mays , corn , cover crops , Lolium perenne , Trifolium repens , Trifolium pratense , Medicago sativa , sowing , plant establishment , crop yield , dairy manure , fertilizer application , New York
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Paper presented at the 2005 ASAE Annual International Meeting, held July 17-20, 2005, Tampa, Florida.
- Author:
- Gowda, P.H. , Mulla, D.J. , Larson, W.E. , American Society of Agricultural Engineers.
- Subject:
- precision agriculture , fertilizer application , phosphorus fertilizers , variable rate application , Zea mays , corn , fertilizer rates , agricultural soils , soil pH , soil fertility , soil nutrients , phosphorus , soil heterogeneity , losses from soil , sediment yield , agricultural runoff , leaching , tile drainage , agricultural management models , Minnesota
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Includes references
- Author:
- Muñoz, G.R. , Powell, J.M. , Kelling, K.A.
- Subject:
- nitrogen fertilizers , dairy manure , fertilizer application , agricultural soils , cropping systems , nitrate nitrogen , environmental fate , losses from soil , leaching , runoff , corn , Zea mays , nutrient uptake , isotope labeling , equations , application timing , application rate , seasonal variation
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2003
- Description:
- Includes references
- Author:
- Gilley, J.E. , Sabatka, W.F. , Eghball, B. , Marx, D.B.
- Subject:
- overland flow , phosphorus , nitrate nitrogen , ammonium nitrogen , nitrogen , sediment yield , losses from soil , water erosion , agricultural soils , agricultural runoff , rainfall simulation , no-tillage , discing , cattle manure , pig manure , soil amendments , crop residues , Zea mays , corn , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- Description:
- Includes references
- Author:
- Gilley, J.E. , Eghball, B. , Wienhold, B.J. , Miller, P.S.
- Subject:
- pig manure , manure spreading , agricultural soils , sandy loam soils , silt loam soils , clay soils , nitrogen , phosphorus , losses from soil , agricultural runoff , interrill erosion , animal manure management , nutrient management , swine feeding , corn , silty clay soils
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Ma, Liwang , Malone, R.W. , Jaynes, D.B. , Thorp, K.R. , Ahuja, L.R.
- Subject:
- agricultural soils , nitrogen , fertilizers , application rate , application timing , Root Zone Water Quality Model , simulation models , soil nutrient balance , soil microorganisms , population growth , carbon , equations , crop yield , corn , soybeans , Zea mays , Glycine max , crop production , tile drainage , nitrate nitrogen , losses from soil
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- 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
- Description:
- Includes references
- Author:
- Nance, C.D. , Gibson, L.R. , Karlen, D.L.
- Subject:
- Triticosecale , winter , nitrate nitrogen , nitrogen , fertilizer application , application rate , Zea mays , corn , Glycine max , nutrient uptake , soil nutrient balance , dry matter accumulation , grain yield , silage , agricultural soils , nutrient use efficiency , crop rotation , water quality , agricultural runoff , losses from soil , leaching , soybeans , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
