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Commercial Fertilizers for Winter Wheat
Carl Ernest Claassen
H. P. Davis
Harvey Oscar Werner
Howard W. Ottoson
Kenneth Lynn Cannon
Robert August Olson
Robert Staples
Virginia Y. Trotter
其他書名
In Relation to the Properties of Nebraska Soils
出版
University of Nebraska, College of Agriculture, Agricultural Experiment Station
, 1951
URL
http://books.google.com.hk/books?id=_MZQAQAAMAAJ&hl=&source=gbs_api