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John W. Doran

3 books found

Cover of Defining Soil Quality for a Sustainable Environment

Defining Soil Quality for a Sustainable Environment

John W. Doran, David C. Coleman, David F. Bezdicek, B. A. Stewart · First published 2015

Cover of Methods for Assessing Soil Quality

Methods for Assessing Soil Quality

John W. Doran, Alice J. Jones · First published 2015

Cover of Hairy Roots

Hairy Roots

John W. Doran · First published 1997