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Intensive Management Studies with Corn (Zea Mays L.) and Soybeans (Glycine Max L. Merrill) and Resulting Yield and Nutrient Composition

Jonathan Glen Dahl

出版	Michigan State University. Department of Crop and Soil Sciences, 1983
URL	http://books.google.com.hk/books?id=gYmG7L0TtnQC&hl=&source=gbs_api