Soil and water conservation for productivity and environmental protection /
Troeh, Frederick R.
Soil and water conservation for productivity and environmental protection / Frederick R. Troeh, J. Arthur Hobbs, Roy L. Donahue ; editorial assistance, Miriam R. Troeh. - London. : Prentice-Hall, c1980. - xi, 718 p. : ill. ; 24 cm.
Includes index.
0138221553
Soil conservation.
Water conservation.
Soil erosion.
631.7 / TRS
Soil and water conservation for productivity and environmental protection / Frederick R. Troeh, J. Arthur Hobbs, Roy L. Donahue ; editorial assistance, Miriam R. Troeh. - London. : Prentice-Hall, c1980. - xi, 718 p. : ill. ; 24 cm.
Includes index.
0138221553
Soil conservation.
Water conservation.
Soil erosion.
631.7 / TRS