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The Bud-graft Method of Propagating Vinifera Grape Varieties on Rootstocks
Elmer Snyder
Frank Nelson Harmon
出版
U.S. Government Printing Office
, 1939
URL
http://books.google.com.hk/books?id=2mMQBRQgFqMC&hl=&source=gbs_api
EBook
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