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Comparative Effects of Precommercial Thinning, Urea Fertilizer, and Red Alder in a Site II, Coast Douglas-fir Plantation

Richard E. Miller

出版	U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1999
URL	http://books.google.com.hk/books?id=YCowaLTKL4cC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN