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The Growth and Nutrition of White Pine (Pinus Strobus L.) Seedlings in Cultures with Varying Nitrogen, Phosphorus, Potassium and Calcium
Harold L. Mitchell
Harry Leland Mitchell
其他書名
With Observations on the Relation of Seed Weight to Seedling Yield
出版
Black Rock Forest
, 1939
URL
http://books.google.com.hk/books?id=FOcsAQAAMAAJ&hl=&source=gbs_api
