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Author

Paul W. Unger

5 books found

Cover of Dryland Agriculture

Dryland Agriculture

Gary A. Peterson, Paul W. Unger, William A. Payne · First published 2015

Cover of Soil and water conservation handbook

Soil and water conservation handbook

Paul W. Unger · First published 2006

Cover of Managing Agricultural Residues

Managing Agricultural Residues

Paul W. Unger · First published 1994

Cover of Tillage systems for soil and water conservation

Tillage systems for soil and water conservation

Paul W. Unger · First published 1984

Cover of Predicting tillage effects on soil physical properties and processes

Predicting tillage effects on soil physical properties and processes

Paul W. Unger · First published 1982