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The Effect of Injury Simulating Hail Damage to Soybeans
Robert Rankin Kalton
John Crosby Eldredge
Charles R. Weber
出版
Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
, 1949
URL
http://books.google.com.hk/books?id=3XYkAQAAMAAJ&hl=&source=gbs_api