Advances in agronomy : prepared under the auspices of the American society of agronomy / edited by A.G. Norman. - New York : Academic Press, c 1954. - Vols. : ill. ; 24 cm. Includes index V. 5-- ; 338 338 Subjects--Topical Terms: Crops--Genetic engineering. Soil science. Dewey Class. No.: 630 / N781a