High-yielding varieties of grain
著者
書誌事項
High-yielding varieties of grain
（World food supply）
Arno Press, 1976
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注記
Reprint of The impact of new grain varieties in Asia (first published 1969, by U.S. Dept. of Agriculture, Economic Research Service, Foreign Regional Analysis Division); of High-yielding varieties of wheat in developing countries (first published 1971, by Dept. of Agriculture, Economic Research Service); of Accelerating India's food grain production, 1967-68 to 1970-71 (first published 1968, by U.S. Dept. of Agriculture, Economic Research Service); and of Technological change in agriculture (first published 1969, by Foreign Agricultural Service, U.S. Dept. of Agriculture)
Includes bibliographies
