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Ponderosa and Lodgepole Pine Seedling Bud Burst Varies with Lift Date and Cultural Practices in Idaho Nursery

John P. Sloan

出版	U.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1991
URL	http://books.google.com.hk/books?id=9wDkBHmqld0C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN