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Start Over You searched for: Author Agriculture Dept. Remove constraint Author: Agriculture Dept. Publish Year Decade 1950 - 1959 Remove constraint Publish Year Decade: 1950 - 1959

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10044. Century of progress in agronomy, address by Robert M. Salter, chief, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, at Centennial Convention of National Fertilizer Association, White Sulphur Springs, W. Va., June 14, 1950.