Editors
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Dr. Udai Bishnoi

Director, Plant Science Center,
Department of Plant and Soil Science,
P.O. Box 1208,
Alabama A&M University,
Normal, AL 35762,

Tel: 256-372-4204
Ffax: 372-5429

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Dr. Jose Luis Gonzalez Andujar

Head, Crop Protection Department,
President, Spanish Biometric Society,
President Spanish Weed Science Society,
Instituto de Agricultura Sostenible (CSIC)
Aptdo. 4084,
14080 Cordoba,
Spain.

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