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Fertilizers and soil amendments /Roy H. Follett, Larry S. Murphy, Roy L. Donahue

by Follett,Roy H | Murphy, Larry S | Donahue, Roy L.

Publisher: New Jersey Prentice-hall 1981Availability: Items available for loan: Main Library [Call number: 631.8 FOL] (1).

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Soil and water conservation: for productivity and environmental protection / [by] Frederick R.Troeh, J.Arthur Hobbs, Roy L.Donahue

by TROEH, Frederick R | Hobbs, J.Arthur | Donahue, Roy L.

Publisher: New Jersey Prentice-Hall 1980Availability: Items available for loan: Main Library [Call number: 333.72 TRO] (1).

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Soils in our environment / [by] Raymond W. Miller, Roy L. Donahue

by Miller, Raymond W | Donahue, Roy L.

Edition: 7th ed.Publisher: New Delhi Prentice- Hall 1997Availability: Items available for loan: Agriculture Library [Call number: 631.4 MIL] (5).

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Soils: an introduction to soils and plant growth / [by] Raymond W. Miller, Roy L. Donahue

by Miller, Raymond.W | Donahue, Roy L | Miller, Joyce U [Editor].

Edition: 6th ed.Publisher: New Delhi Prentice- Hall 1992Availability: Items available for loan: Agriculture Library [Call number: 631.4 MIL] (1).

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5.
Exploring agriculture: an introduction to food and agriculture / Roy L.Donahue

by Donahue, Roy L.

Edition: FifthPublisher: U.S.A Prentice-Hall,INC 1979Availability: No items available Damaged (1).

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