Search National Agricultural Library Digital Collections
Limit your search
Authors
-
Ahuja, L.R. (2)
-
Del Grosso, S.J. (2)
-
Eghball, B. (2)
-
Gilley, J.E. (2)
-
Halvorson, A.D. (2)
-
Schmidt, J.P. (2)
-
Wienhold, B.J. (2)
-
Aref, Susanne (1)
-
Bakhsh, A. (1)
-
Carlson, C.G. (1)
- more »
Displaying items
1 - 10 of
17
start over
- Description:
- Includes references
- Author:
- Wienhold, Brian J. , Varvel, Gary E. , Wilhelm, W.W.
- Subject:
- nitrogen , mineralization , soil water content , soil temperature , dryland farming , irrigated conditions , corn , Zea mays , agricultural soils , field experimentation
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Chang, J.Y. , Clay, D.E. , Carlson, C.G. , Reese, C.L. , Clay, S.A. , Ellsbury, M.M.
- Subject:
- precision agriculture , Glycine max , soybeans , Zea mays , corn , crop rotation , grain yield , geographic information systems , fields , agricultural soils , electrical conductivity , soil fertility , fertilizer requirements , phosphorus , phosphorus fertilizers , nitrogen , nitrogen fertilizers , fertilizer application , topography , landscapes , South Dakota
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- 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:
- 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:
- 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:
- 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
- Description:
- Includes references.
- Author:
- Mielke, L.N. , Ellis, J.R.
- Subject:
- cattle feeding , feedlots , groundwater contamination , nitrogen , soil chemical properties , soil physical properties , highlands , agricultural soils , nitrate nitrogen , crop rotation , corn , Zea mays , alfalfa , Medicago sativa , land use change , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1976
- Description:
- In the special issue: the 4th USDA Greenhouse Gas Symposium. Paper presented at the 4th USDA Greenhouse Gas Symposium "Positioning Agriculture and Forestry to meet the Challenges of Climate Change", February 6-8, 2007, Baltimore, Maryland.
- Author:
- Halvorson, A.D. , Del Grosso, S.J. , Reule, C.A.
- Subject:
- gas emissions , greenhouse gases , nitrous oxide , nitrogen , tillage , crop rotation , irrigated farming , agricultural soils , nitrogen fertilizers , growing season , Zea mays , no-tillage , continuous cropping , corn , Phaseolus vulgaris , dry beans , Hordeum vulgare subsp. vulgare , fertilizer application , urea fertilizers , ammonium nitrate , linear models , conventional tillage , cropping sequence , Colorado
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- 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