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Subjects discing Remove constraint discing: discing Authors Karlen, D.L. Remove constraint Karlen, D.L.: Karlen, D.L. Year 2004 Remove constraint 2004: 2004

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1. Quantification of tillage and landscape effects on soil carbon in small Iowa watersheds

Description:: In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
Author:: Moorman, T.B. , Cambardella, C.A. , James, D.E. , Karlen, D.L. , Kramer, L.A.
Subject:: ridge tillage , discing , plowing , soil erosion , soil quality , soil organic matter , carbon , spatial distribution , slope , landscape position , loess , sediment transport , soil water , agricultural watersheds , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

2. Soil surface property and soybean yield response to corn stover grazing

Description:: Includes references
Author:: Clark, J.T. , Russell, J.R. , Karlen, D.L. , Singleton, P.L. , Busby, W.D. , Peterson, B.C.
Subject:: corn stover , fields , grazing , beef cattle , winter , soil compaction , soil penetration resistance , bulk density , no-tillage , discing , Glycine max , soybeans , crop yield , silt loam soils , clay loam soils , crop rotation , Zea mays , soil aggregates , soil water content , surface roughness , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004