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2 matches for "Frederick R. Troeh"

Dictionary of Agricultural and Environmental Science (0813802830) cover image
Dictionary of Agricultural and Environmental Science
by Frederick R. Troeh, Roy L. Donahue
June 2003, Paperback
Soils and Soil Fertility, 6th Edition (081380955X) cover image
Soils and Soil Fertility, 6th Edition
by Frederick R. Troeh
February 2005, Hardcover