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
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
