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Effect of Rowspacing, Population, Soil PH, K, P, and B on the Yield of Williams Soybeans
Michael A. Mullane
出版
Rutgers University. Department of Soils and Crops.
, 1976
URL
http://books.google.com.hk/books?id=qYmTIgAACAAJ&hl=&source=gbs_api