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Google圖書搜尋
Irrigation and Manuring Studies II
Elmer Darwin Ball
Franklin Lorenzo Richards West
Franklin Stewart Harris
Robert Stewart
William Ernest Carroll
Byron Alder
Don Warren Pittman
Niels Edlef Edlefsen
A. D. Egbert
其他書名
The Effect of Varying Quantities of Irrigation Water and Manure on the Growth and Yield of Corn
出版
Utah Agricultural College Experiment Station
, 1916
URL
http://books.google.com.hk/books?id=Xd5QAQAAMAAJ&hl=&source=gbs_api