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Authors
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Ahuja, L.R. (4)
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Hatfield, J.L. (4)
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Wienhold, B.J. (4)
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Halvorson, A.D. (3)
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Jaynes, D.B. (3)
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Johnson, Jane M.F. (3)
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Parkin, T.B. (3)
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Acosta-Martínez, V. (2)
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Cotty, Peter J. (2)
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Del Grosso, S.J. (2)
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Displaying items
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68
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- Description:
- Includes references
- Author:
- Saporito, L.S. , Lanyon, L.E.
- Subject:
- soil nutrient balance , soil nutrients , soil fertility , phosphorus , potassium , spatial variation , temporal variation , input output analysis , crop production , dairy farming , farms , Zea mays , corn , Medicago sativa , Phleum pratense , Phalaris arundinacea , agricultural soils , Pennsylvania
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Powell, J.M. , Kelling, K.A. , Munoz, G.R. , Cusick, P.R.
- Subject:
- cover crops , crop production , crop management , cropping systems , field crops , grasses , costs and returns , crop yield , legumes , literature reviews , cattle manure , nitrogen , stable isotopes , isotope labeling , nitrogen content , soil amendments , soil nutrient balance , soil fertility , soil nutrients , agricultural soils , silt loam soils , nutrient uptake , Zea mays , corn , United States , Michigan
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- 8 ref.
- Author:
- Martin, D.L. , Watts, D.G. , Mielke, L.N. , Frank, K.D. , Eisenhauer, D.E.
- Subject:
- Zea mays , corn , crop production , nitrate nitrogen , chemical concentration , groundwater , groundwater contamination , irrigation water , water pollution , fertilizers , leaching , agricultural soils , sandy soils , water uptake , nutrient uptake , computer analysis , simulation models , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1982
- Description:
- Includes references
- Author:
- Wiles, L. , Brodahl, M.
- Subject:
- weed biology , seed dispersal , buried seeds , longevity , spatial distribution , agricultural soils , sandy soils , sandy loam soils , clay loam soils , clay soils , Zea mays , corn , crop production , regression analysis , Colorado
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Smith, D.R. , Hernandez-Ramirez, G. , Armstrong, S.D. , Bucholtz, D.L. , Stott, D.E.
- Subject:
- Alfisols , Glycine max , Sorghum bicolor , Zea mays , agricultural soils , conventional tillage , corn , cover crops , crop rotation , fertilizer rates , fertilizers , grasses , greenhouse gas emissions , greenhouse gases , growing season , indigenous species , methane , nitrous oxide , research projects , soil temperature , soybeans , United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
- Description:
- Includes references
- Author:
- Zhu, Q. , Schmidt, J.P. , Lin, H.S. , Sripada, R.P.
- Subject:
- nitrogen , soil fertility , soil nutrients , spatial variation , temporal variation , fields , agricultural soils , Zea mays , corn , nutrient availability , topography , slope , floodplains , soil water content , subsurface flow , soil matric potential , fertilizer application , ammonium nitrate , nutrient uptake , grain yield , landscapes , Pennsylvania
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Mao, Jingdong , Olk, Dan C. , Fang, Xiaowen , He, Zhongqi , Schmidt-Rohr, Klaus
- Subject:
- soil organic matter , humic acids , humates , chemical structure , cattle manure , mineral fertilizers , fertilizer application , agricultural soils , peptides , nuclear magnetic resonance spectroscopy , Fourier transform infrared spectroscopy , soil biochemistry , Zea mays , corn , crop yield , nitrogen , phosphorus , spectral analysis , accuracy
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- Description:
- Includes references
- Author:
- Parkin, T.B. , Hatfield, J.L.
- Subject:
- agricultural soils , nitrous oxide , gas emissions , anhydrous ammonia , nitrapyrin , soil amendments , pollution control , air pollution , nutrient use efficiency , nutrient management , application timing , nitrification inhibitors , nutrient availability , nitrate nitrogen , ammonium nitrogen , grain yield , Zea mays , corn , Corn Belt region
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2010
- Description:
- Includes references
- Author:
- Ohno, Tsutomu , He, Zhongqi , Tazisong, Irenus A. , Senwo, Zachary N.
- Subject:
- crop production , agricultural soils , silt loam soils , soil organic matter , humic acids , fulvic acids , conventional tillage , no-tillage , fertilizer application , ammonium nitrate , poultry manure , fertilizer rates , application rate , cropping systems , Gossypium hirsutum , cotton , Zea mays , corn , Secale cereale , rye , crop rotation , spectroscopy , humic substances , Alabama
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Wortman, Sam E. , Davis, Adam S. , Schutte, Brian J. , Lindquist, John L.
- Subject:
- nitrogen , amino sugars , mineralization , measurement , agricultural soils , corn , Zea mays , plant growth , grain yield , Abutilon theophrasti , weeds , weed control , nitrogen fertilizers , fertilizer rates , soil nutrients , crop-weed competition , integrated weed management , soil nutrient dynamics
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
