Soil and water conservation for productivity and environmental protection /
Troeh, Frederick R
Soil and water conservation for productivity and environmental protection / - New Jersey : Prentice Hall, 1980. - xv, 718 p. : ill. ; 24 cm.
Includes Index.
631.4 TRO
Soil and water conservation for productivity and environmental protection / - New Jersey : Prentice Hall, 1980. - xv, 718 p. : ill. ; 24 cm.
Includes Index.
631.4 TRO