Soil dynamics in tillage and traction
Gill, William R.
Soil dynamics in tillage and traction - Washington : USDA. Agricultural Research Service, (1967) - 511 p. : ilus. - USDA. Agriculture handbook ; 316 . - USDA Agriculture handbook ; 316 .
12443
Labranza--Efecto en suelos
Suelos--Física de.
631.43 / G5
Soil dynamics in tillage and traction - Washington : USDA. Agricultural Research Service, (1967) - 511 p. : ilus. - USDA. Agriculture handbook ; 316 . - USDA Agriculture handbook ; 316 .
12443
Labranza--Efecto en suelos
Suelos--Física de.
631.43 / G5
