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Plant protection. 1. Pests, diseases and weeds / Ruth M. Kerruish, Phillip W. Unger.
by Unger, P. W.; Kerruish, Ruth M.;
Year: 1991., Callno: 632(94) KER [Q]
Book
Plant protection 1 : pests, diseases and weeds / Ruth M. Kerruish, Phillip W. Unger ; with original line drawings by Adrienne L. Walkington. [Variant title:Pests, diseases and weeds.]
by Unger, P. W.; Walkington, Adrienne L.; Kerruish, Ruth M.;
Year: 2003., Callno: 632(94) KER
Book
Challenges in dryland agriculture : a global perspective : proceedings of the International Conference on Dryland Farming, August 15-19, 1988, Amarillo-Bushland, Texas, U.S.A.
by International Conference on Dryland Farming. (1988 : Amarillo/Bushland, Tex.); Unger, P. W.;
Year: 1989], Callno: 631.586 CHA [Q]
Book
Predicting tillage effects on soil physical properties and processes : papers were presented during the annual meetings in Detroit, Michigan, November 30-Dec. 5, 1980 / co-editors, P.W. Unger and D.M. Van Doren.
by Unger, P. W.; Soil Science Society of America.; Van Doren, D. M.; American Society of Agronomy.;
Year: 1980, Callno: 631.41 PRE
Conference proceedings
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