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Hessian Fly Biotype Distribution, Resistant Wheat Varieties and Control Practices in Hard Red Winter Wheat
Harry W. Somsen
K. L. Oppenlander
出版
Agricultural Research Service, U.S. Department of Agriculture, North Central Region
, 1975
URL
http://books.google.com.hk/books?id=DUaJNGp7n2cC&hl=&source=gbs_api
EBook
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