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Oelhaf, Robert C., 1938-

Organic agriculture : economic and ecological comparisons with conventional methods / by Robert C. Oelhaf. - New York : Distribution, Halsted Press, 1978. - xii, 271 p. : ill. ; 24 cm.

Includes index and bibliographical references

0470264276

78007347


Organic farming.
Agriculture.

S605.5 / .O37 1978

338.16 / OEO
Last Updated on September 15, 2019
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