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Better Cows, Fibrin in Milk, Bacteria in Milk, Silos and Silage, Alfalfa, Field Experiments with Fertilizers. 1889-1894
出版U.S. Department of Agriculture, 1889
URLhttp://books.google.com.hk/books?id=jZM5AQAAMAAJ&hl=&source=gbs_api
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註釋Smuts are minute parasitic plants belonging to the great group fungi. By their action they cause diseases of higher plants. The two smuts which cause the greatest damage in the United States, and which for this reason will be chiefly considered here, are the loose smut of oats and the stinking smuts of wheat.