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Fertilizer Inspection and Analysis, Spring, 1952

Arnold William KlemmeGeorge Edward SmithJohn Foster LasleyJohn Harwood LongwellJohn M. KaysPaul Y. BurnsRobert Edwin Stewart

出版	University of Missouri, College of Agriculture, Agricultural Experiment Station, 1952
URL	http://books.google.com.hk/books?id=pNxPAQAAMAAJ&hl=&source=gbs_api