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High-yielding Varieties of Rice in the Philippines
L. Jay AtkinsonDavid E. Kunkel
其他書名
Progress of the Seed-fertilizer Revolution
出版Economic Research Service, U.S. Department of Agriculture, 1976
URLhttp://books.google.com.hk/books?id=sCwVML17fF4C&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN