Our soils and their management;

Donahue, Roy Luther, 1908-

Our soils and their management; increasing production through soil and water conservation, by Roy L. Donahue. - [3d ed.] - Danville, Ill., Interstate [1970] - 683 p. illus. 24 cm.

Includes bibliographies.

67015835


Soil science.--Agriculture (General)
Soil management.
Crops and soils.
Water conservation.

S591 / .D65 1970

631.4