Journal of agricultural research.
United States.Department of Agriculture.
Association of American Agricultural Colleges and Experiment Stations.
Association of Land-Grant Colleges.
Association of Land-Grant Colleges and Universities.
Washington, D.C. : Dept. of Agriculture : G.P.O. [distributor],
[1913-1949]
Title from cover.
Suspended, Dec. 1921-Dec. 1922.
Issued in cooperation with: Association of American Agricultural Colleges and Experiment Stations, Oct. 1914-Jan. 2, 1920; Association of Land-Grant Colleges, Jan. 13, 1920-July 15, 1927; Association of Land-Grant Colleges and Universities, July 30, 1927-June 15, 1949.
Agriculture
Agriculture.
Research.
Agriculture.