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Authors Karlen, D.L. Remove constraint Karlen, D.L.: Karlen, D.L. Subjects corn Remove constraint corn: corn
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1. Bulk density as a soil quality indicator during conversion to no-tillage

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

2. Challenges of managing liquid swine manure

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

3. Comparison of irrigation scheduling techniques for high production corn

Description:
Paper presented at the 1982 Winter Meeting, American Society of Agricultural Engineers, held December 14-17, 1982, Chicago, Illinois.
Author:
Camp, C.R. , Karlen, D.L. , Lambert, J.R. , American Society of Agricultural Engineers. Meeting.
Subject:
Zea mays , corn , irrigation scheduling , soil matric potential , irrigated farming , grain yield , dryland farming , crop management , plant density , soil water balance , monitoring , South Carolina
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1982

4. Comparison of two soil quality indexes to evaluate cropping systems in northern Colorado

Description:
Includes references
Author:
Zobeck, T.M. , Halvorson, A.D. , Wienhold, B. , Acosta-Martinez, V. , Karlen, D.L.
Subject:
soil quality , nitrogen content , soil properties , soil management , conventional tillage , no-tillage , crop residues , crop rotation , Zea mays , corn , Hordeum vulgare subsp. vulgare , barley , Glycine max , soybeans , Phaseolus vulgaris , beans , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

5. Conservation tillage for maize production in the U.S. southeastern coastal plain

Description:
Includes references.
Author:
Campbell, R.B. , Karlen, D.L. , Sojka, R.E.
Subject:
coastal plains , crop residues , corn , minimum tillage , nitrogen fertilizers , Paleudults , subsoiling , South Carolina , Southeastern United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1984

6. Corn response to late-spring nitrogen management in the Walnut Creek watershed

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

7. Corn Stover to Sustain Soil Organic Carbon Further Constrains Biomass Supply

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

8. Corn-soybean and alternative cropping systems effects on NO₃-N leaching losses in subsurface drainage water

Description:
Includes references
Author:
Kanwar, R.S. , Cruse, R.M. , Ghaffarzadeh, M. , Bakhsh, A. , Karlen, D.L. , Bailey, T.B. , Karlen, D.L. , Bailey, T.B.
Subject:
Glycine max , soybeans , Zea mays , corn , strip cropping , crop rotation , Medicago sativa , nitrate nitrogen , leaching , losses from soil , subsurface drainage , drainage water , nonpoint source pollution , grain yield , loam soils , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

9. Crop residue removal effects on corn yield and fertility of a Norfolk sandy loam

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

10. Crop Rotation Effects on Soil Quality at Three Northern Corn/Soybean Belt Locations

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