Soil and water conservation

Soil and water conservation

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Xehetasun bibliografikoak
Egile Nagusiak: Troeh, Frederick R. (Egilea), Hobbs, J. Arthur (James Arthur) 1914- (Egilea), Donahue, Roy Luther 1908- (Egilea)
Formatua: Liburua
Hizkuntza:English
Argitaratua: Englewood Cliffs, N.J. Prentice-Hall [1991]
Edizioa:2nd edition.
Gaiak:
Soil conservation.
Water conservation.