Introduction to agriculture : practical studies in crop production Weed, Clarence Moores, 1864-1947 creator Riley, William E., 1871- contributor text book Boston Heath c1916 1916
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ENG A new ed. of his "Crop production" with additional chapter on "Soils." Agriculture Janior high school series https://www.biodiversitylibrary.org/bibliography/18309 13731870 10.5962/bhl.title.18309 GZD