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Authors
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Karlen, D.L. (26)[remove]
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Heilman, P. (5)
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Kanwar, R.S. (5)
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Ma, L. (5)
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Busscher, W.J. (4)
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Hatfield, J.L. (4)
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Malone, R.W. (4)
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Sadler, E.J. (4)
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Cambardella, C.A. (3)
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Hunt, P.G. (3)
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26
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- Description:
- In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
- Author:
- Logsdon, S.D. , Karlen, D.L.
- Subject:
- no-tillage , ridge tillage , conventional tillage , soil quality , soil compaction , bulk density , soil water content , loess soils , crop management , continuous cropping , crop rotation , corn , Zea mays , soybeans , Glycine max , alfalfa , Medicago sativa , crop yield , landscape position , agricultural watersheds , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Wilhelm, W.W. , Johnson, J.M.F. , Karlen, D.L. , Lightle, D.T.
- Subject:
- Zea mays , corn , corn stover , dry matter accumulation , soil organic carbon , biomass , literature reviews , ethanol production , soil erosion , soil physical properties , crop yield , erosion control , cropping systems
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes 30 references.
- Author:
- Karlen, D.L. , Hunt, P.G. , Campbell, R.B.
- Subject:
- crop residues , crop residue management , Zea mays , corn , crop yield , soil fertility , sandy loam soils , crop production , soil pH , soil nutrients , stover , leaching , losses from soil , plant nutrition , nutrient management , spatial distribution , tillage
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1984
- Description:
- Includes references
- Author:
- Karlen, D.L. , Hurley, E.G. , Andrews, S.S. , Cambardella, C.A. , Meek, D.W. , Duffy, M.D. , Mallarino, A.P.
- Subject:
- Zea mays , corn , Glycine max , soybeans , crop rotation , soil quality , profitability , soil management , bulk density , soil density , soil pH , soil aggregation , soil organic carbon , soil microorganisms , soil fertility , soil penetration resistance , crop yield , commodity prices , Conservation Security Program , Iowa , Wisconsin
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006
- Description:
- Includes references.
- Author:
- Karlen, D.L. , Sadler, E.J. , Busscher, W.J.
- Subject:
- coastal plains , crop yield , Sorghum bicolor , Zea mays , crop management
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1990
- Description:
- Includes references
- Author:
- Malone, R.W. , Ma, L. , Karlen, D.L. , Meade, T. , Meek, D. , Heilman, P. , Kanwar, R.S. , Hatfield, J.L.
- Subject:
- crop yield , nitrates , prediction , losses from soil , subsurface drainage , regression analysis , multivariate analysis , Zea mays , Glycine max , crop rotation , fertilizer application , urea ammonium nitrate , nitrogen , leaching , autumn , spring , equations , agricultural soils , rain , water quality , statistical models , pig manure , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Malone, R.W. , Huth, N. , Carberry, P.S. , Ma, L. , Kaspar, T.C. , Karlen, D.L. , Meade, T. , Kanwar, R.S. , Heilman, P.
- Subject:
- agricultural soils , tile drainage , leaching , nitrates , losses from soil , continuous cropping , crop rotation , crop yield , Zea mays , Glycine max , simulation models , prediction , winter wheat , Triticum aestivum , water quality , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Camp, C.R. , Sadler, E.J. , Busscher, W.J. , Sojka, R.E. , Karlen, D.L.
- Subject:
- microirrigation , humid zones , corn , cotton , soybeans , Zea mays , Gossypium hirsutum , spatial distribution , field crops , row spacing , rain , crop yield , Southeastern United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1995
- Description:
- Includes references
- Author:
- Karlen, D.L. , Hunt, P.G. , Matheny, T.A.
- Subject:
- Zea mays , Triticum aestivum , Gossypium hirsutum , nitrogen fertilizers , preplanting treatment , discing , no-tillage , nitrogen , losses from soil , crop yield , coastal plain soils , crop management , environmental protection , South Carolina
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1996
