登入選單

返回Google圖書搜尋

Thinning and Nitrogen Fertilization Effects on Sapwood Development and Relationships of Foliage Quantity to Sapwood Area and Basal Area in Douglas-fir

H. Brix

出版	1983
URL	http://books.google.com.hk/books?id=GDlNNwAACAAJ&hl=&source=gbs_api