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Authors
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Karlen, D.L. (7)
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Cambardella, C.A. (6)
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Ahuja, L.R. (3)
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Colvin, T.S. (3)
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Jaynes, D.B. (3)
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Karlen, Douglas L. (3)
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Ma, L. (3)
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Abbas, H.K. (2)
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Ascough, J.C. II (2)
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Beegle, D.B. (2)
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Displaying items
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80
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- Description:
- Includes references
- Author:
- Delate, K. , Cambardella, C.A.
- Subject:
- organic production , Zea mays , corn , Glycine max , soybeans , Avena sativa , oats , Medicago sativa , alfalfa , crop rotation , grain yield , organic certification , cover crops , composts , soil amendments , insect pests , Ostrinia nubilalis , Cerotoma trifurcata , weeds , plant density , soil fertility , costs and returns , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- O'Neill, P.M. , Shanahan, J.F. , Schepers, J.S. , Caldwell, B.
- Subject:
- Zea mays , corn , hybrids , grain yield , agronomic traits , plant-water relations , water stress , soil water deficit , nitrogen , soil fertility , nutrient availability , genotype-environment interaction , nutrition-genotype interaction , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Kaul, M. , Hill, R.L. , Walthall, C.
- Subject:
- neural networks , crop yield , nonlinear models , regression analysis , corn , Zea mays , soybeans , Glycine max , soil fertility , Maryland
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Includes references
- Author:
- Adeli, A. , Tewolde, H. , Sistani, K.R. , Rowe, D.E.
- Subject:
- Gossypium hirsutum , cotton , Zea mays , corn , poultry manure , soil fertility , crop rotation , organic fertilizers , fertilizer rates , soil microorganisms , soil organic carbon , soil pore system , soil aggregates , biogeochemical cycles , Mississippi
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Karlen, D.L. , Cambardella, C.A. , Kanwar, R.S.
- Subject:
- pig manure , liquid manure , animal manure management , land application , application rate , phosphorus , potassium , nitrogen , soil fertility , leaching , nutrient balance , tile drainage , crop rotation , Zea mays , corn , Glycine max , soybeans , soil nutrients , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Blanco-Canqui, H. , Lal, R. , Post, W.M. , Owens, L.B.
- Subject:
- Zea mays , corn , no-tillage , plant growth , grain yield , corn stover , crop residue management , long term experiments , biofuels , soil fertility , principal component analysis , seedling emergence , seedling growth , height , geographical variation , application rate , Ohio
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006
- Description:
- Includes references
- Author:
- Varvel, G.E. , Vogel, K.P. , Mitchell, R.B. , Follett, R.F. , Kimble, J.M.
- Subject:
- bioenergy , corn , Zea mays , Panicum virgatum , crop residues , no-tillage , field experimentation , corn stover , grain yield , ethanol production , cropping systems , nitrogen , soil fertility , dryland farming , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- Description:
- Includes references
- Author:
- Tarkalson, D.D. , Payero, J.O.
- Subject:
- irrigated farming , corn , Zea mays , subsurface irrigation , microirrigation , nitrogen fertilizers , fertilizer application , fertilizer rates , application timing , fertigation , grain yield , plant growth , nitrate nitrogen , soil fertility , nutrient uptake , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- Description:
- Includes references
- Author:
- Karlen, D.L. , Dinnes, D.L. , Jaynes, D.B. , Hurburgh, C.R. , Cambardella, C.A. , Colvin, T.S. , Rippke, G.R.
- Subject:
- Zea mays , corn , grain crops , nitrogen fertilizers , soil fertility , nutrient management , nitrate nitrogen , drainage , losses from soil , fertilizer rates , crop models , fertilizer requirements , chlorophyll , plant nutrition , nutrient content , nitrates , grain yield , crop quality , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Includes references
- Author:
- Halvorson, A.D. , Schweissing, F.C. , Bartolo, M.E. , Reule, C.A.
- Subject:
- Zea mays , corn , grain crops , nitrogen fertilizers , soil fertility , nitrogen content , nitrate nitrogen , grain yield , crop rotation , Citrullus lanatus , watermelons , fruit crops , leaching , losses from soil , profitability , fertilizer rates , Colorado
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005