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Authors Karlen, D.L. Remove constraint Karlen, D.L.: Karlen, D.L. Subjects corn Remove constraint corn: corn Subjects no-tillage Remove constraint no-tillage: no-tillage

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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. 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

3. Profit, yield, and soil quality effects of tillage systems in corn-soybean rotations

Description:: Includes references
Author:: Buman, R.A. , Alesii, B.A. , Hatfield, J.L. , Karlen, D.L.
Subject:: Zea mays , corn , Glycine max , soybeans , crop rotation , strip tillage , no-tillage , conventional tillage , soil quality , profitability , crop yield , soil properties , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

4. Profitability of Various Corn, Soybean, Wheat, and Alfalfa Cropping Systems

Description:: Includes references
Author:: Singer, J.W. , Chase, C.A. , Karlen, D.L.
Subject:: Zea mays , corn , continuous cropping , Glycine max , soybeans , crop rotation , Medicago sativa , alfalfa , cropping sequence , no-tillage , plowing , chiseling , grain yield , crop yield , costs and returns , profitability , New Jersey
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003