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Summary of Results of Experiments Conducted in Field Crops and Soils at the Panhandle Agricultural College, Goodwell, Oklahoma, 1926

Henry Howard Finnell

出版	Oklahoma Agricultural and Mechanical College, Agricultural Experiment Station, 1927
URL	http://books.google.com.hk/books?id=RwMnAQAAMAAJ&hl=&source=gbs_api