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Soil Fertility Investigations
E. M. Funk
Marion W. Clark
Ross J. Silkett
William Carlyle Etheridge
Frederick Blackmar Mumford
Henry Herman Krusekopf
Leonard Haseman
University of Missouri. Agricultural Experiment Station
其他書名
Rolling Prairie Land of Southwestern Missouri (Eldorado Springs Experiment Field)
出版
University of Missouri, College of Agriculture, Agricultural Experiment Station
, 1937
URL
http://books.google.com.hk/books?id=PtVQAQAAMAAJ&hl=&source=gbs_api