Soil dynamics in tillage and traction,
Gill, William R.
Soil dynamics in tillage and traction, by William R. Gill and Glen E. Vanden Berg. - [Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967] - viii, 511 p. illus. 24 cm. - United States. Dept. of Agriculture. Agriculture handbook ; no. 316 . - Agriculture handbook (United States. Department of Agriculture) ; no. 316. .
Bibliography: p. 460-487.
agr68000061
Soil dynamics.
Tillage.
Farm tractors.
S591 / .G55
631.5/1
1Ag84Ah no. 316
Soil dynamics in tillage and traction, by William R. Gill and Glen E. Vanden Berg. - [Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967] - viii, 511 p. illus. 24 cm. - United States. Dept. of Agriculture. Agriculture handbook ; no. 316 . - Agriculture handbook (United States. Department of Agriculture) ; no. 316. .
Bibliography: p. 460-487.
agr68000061
Soil dynamics.
Tillage.
Farm tractors.
S591 / .G55
631.5/1
1Ag84Ah no. 316