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1

Effect of physical soil properties on cotton emergence : prediction and quantitative description /

by Wanjura, D. F. (Donald F.)
Washington : U.S. Dept. of Agriculture, 1973

Government Document Book

2

Productivities of horizons of seven benchmark soils of the southern Great Plains /

by Eck, Harold V., 1924-, Ford, Robert H., Fanning, Carl D.
Washington, D.C.] : Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1967

Government Document Book

3

Soil conservation practices and crop production in the blacklands of Texas /

by Baird, R. W. (Ralph W.)
Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Texas Agricultural Experiment Station, 1971

Government Document Book

4

Surface mulching with cotton gin trash improves sandy soils /

Washington : Agricultural Research Sercice : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974

Government Document Book

5

Wind in the southwestern Great Plains

by Johnson, Wendell C. (Wendell Clifford), 1914-
Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1965

Government Document Book

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