co-editors, Gary A. Peterson, Paul W. Unger, William A. PayneAmerican Society of Agronomy : Crop Science Society of America : Soil Science Society of America2006
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著者標目Peterson, Gary A. Unger, Paul W. Payne, William A.
sponsored by Divisions A-3, S-6, and S-1 of the American Society of Agronomy and the Soil Science Society of America ; organizing committee, D.M. Van Doren ... [et al.] ; editorial committee, P.W. Unger ... [et al.] ; managing editor, David M. Kral ; assistant editor, Sherri HawkinsAmerican Society of Agronomy : Soil Science Society of America1982
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著者標目Unger, Paul W. American Society of Agronomy ...