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Zhin-Ryong Choe, Ph.D.
Professor in Sustainable Crop Production, Department of Agronomy
Gyeongsang National University, Chinju 660-701, Korea
Korea Association for Sustainable Agriculture, Inc.
Phone: +82 (0591) 751-5425(Work), 747-0648(Home)
FAX: +82 (0591) 761-5425
E-Mail: zrchoe@nongae.gsnu.ac.kr
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