Productivities of horizons of seven benchmark soils of the southern Great Plains
Eck, Harold V., 1924-
Productivities of horizons of seven benchmark soils of the southern Great Plains [by Harold V. Eck, Robert H. Ford, and Carl D. Fanning. - Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967] - 46 p. illus. 23 cm. - United States. Dept. of Agriculture. Conservation research report no. 11 . - United States. Department of Agriculture. Conservation research report no. 11. .
Prepared in cooperation with Texas Agricultural Experiment Station.
Bibliography: p. 35-36.
agr68000043
Soils--Great Plains.
Soils--Analysis.
631.4/9/764
A279.9Ag8 no. 11
Productivities of horizons of seven benchmark soils of the southern Great Plains [by Harold V. Eck, Robert H. Ford, and Carl D. Fanning. - Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967] - 46 p. illus. 23 cm. - United States. Dept. of Agriculture. Conservation research report no. 11 . - United States. Department of Agriculture. Conservation research report no. 11. .
Prepared in cooperation with Texas Agricultural Experiment Station.
Bibliography: p. 35-36.
agr68000043
Soils--Great Plains.
Soils--Analysis.
631.4/9/764
A279.9Ag8 no. 11