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Tests of Fertilizers on Tobacco
David Oliver Nourse
E. P. Niles
Ellison Adger Smyth
Robert James Davidson
Virginia Agricultural Experiment Station
Walker Bowman
William Bradford Alwood
出版
Virginia Agricultural and Mechanical College, Agricultural Experiment Station
, 1891
URL
http://books.google.com.hk/books?id=_2lRAQAAMAAJ&hl=&source=gbs_api