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	1.	Image from Amazon.com	Soil and water conservation for productivity and environmental protection / by Frederick R. Troeh, J. Arthur Hobbs, Roy L. Donahue ; editorial assistance, Miriam R. Troeh. by Troeh, Frederick R Donahue, Roy Luther, 1908- Hobbs, J. Arthur (James Arthur), 1914- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Englewood Cliffs, New Jersey : Prentice-Hall, c1980 Availability: Items available for loan: PSAU OLM (3)Call number: C 333.72 T74 1980, ... Place hold Save to lists Add to cart (remove)
	2.	Image from Amazon.com	Soils and soil fertility / Louis M. Thompson, Frederick R. Troeh. by Thompson, Louis M. (Louis Milton) Troeh, Frederick R [joint author.] Edition: 4th ed. Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York : McGraw-Hill, c1978 Availability: Items available for loan: PSAU OLM (2)Call number: C 631.4 T37 1978, ... Place hold Save to lists Add to cart (remove)

Pampanga State Agricultural University