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Douglas L. Karlen

Agricultural Research Service

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Publication

Featured researches published by Douglas L. Karlen.

Geoderma | 2007

RZWQM simulation of long-term crop production, water and nitrogen balances in Northeast Iowa

L. Ma; Robert W. Malone; Philip Heilman; Douglas L. Karlen; Ramesh S. Kanwar; Cynthia A. Cambardella; S. A. Saseendran; Lajpat R. Ahuja

Archive | 2002

Review and Interpretation: Nitrogen Management Strategies to Reduce Nitrate Leaching in Tile-Drained Midwestern Soils

Dana L. Dinnes; Douglas L. Karlen; Dan B. Jaynes; Thomas C. Kaspar; Jerry L. Hatfield; Thomas S. Colvin; Cynthia A. Cambardella

Soil and Water Conservation Advances in the United States | 2010

Midwest Soil and Water Conservation: Past, Present, and Future

Douglas L. Karlen; Dana L. Dinnes; Jeremy W. Singer

Archive | 2009

Is No-Tillage Enough? A Field-Scale Watershed Assessment of Conservation Effects

Douglas L. Karlen; Dana L. Dinnes; Mark D. Tomer; David W. Meek; Cynthia A. Cambardella; Thomas B. Moorman

Archive | 2008

Sustaining Soil Resources While Managing Nutrients

Dan B. Jaynes; Douglas L. Karlen

Archive | 1998

Impacts of swine manure application and alternative N-management practices on productivity, sustainability and water quality

Rameshwar S. Kanwar; Douglas L. Karlen; Cynthia A. Cambardella; Thomas B. Moorman; Thomas R. Steinheimer; Thomas S. Colvin

Archive | 1997

Effect of tillage, crop rotation and innovative nitrogen and pesticide management practices on productivity, sustainability and water quality

Rameshwar S. Kanwar; Douglas L. Karlen; Cynthia A. Cambardella; Thomas B. Moorman; T. R. Steinheimer; Thomas S. Colvin

Proceedings of the 19th World Congress of Soil Science: Soil solutions for a changing world, Brisbane, Australia, 1-6 August 2010. Congress Symposium 3 Policies for soil health management in agriculture and protecting the environment | 2010

Watershed-scale soil quality assessment: Assessing reasons for poor canopy development in corn

Diane E. Stott; Cynthia A. Cambardella; Mark D. Tomer; Douglas L. Karlen

Archive | 1997

Subsurface drain water quality as affected by manure application

Ramesh S. Kanwar; Douglas L. Karlen; Cynthia A. Cambardella; Thomas S. Colvin; Claus Pederson

ael | 2018

Ten-Year Assessment Encourages No-Till for Corn Grain and Stover Harvest

John F. Obrycki; John L. Kovar; Douglas L. Karlen; Stuart J. Birrell

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Cynthia A. Cambardella

United States Department of Agriculture

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Thomas S. Colvin

Agricultural Research Service

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Dana L. Dinnes

United States Department of Agriculture

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Diane E. Stott

United States Department of Agriculture

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Mark D. Tomer

Agricultural Research Service

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Thomas B. Moorman

Agricultural Research Service

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Dan B. Jaynes

Agricultural Research Service

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Ramesh S. Kanwar

Iowa State University

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Rameshwar S. Kanwar

Iowa State University

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Stuart J. Birrell

Iowa State University

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