Bio-dynamic agriculture :
Koepf, Herbert H.
Bio-dynamic agriculture : an introduction / by Herbert H. Koepf, Bo D. Pettersson, Wolfgang Schaumann. - Spring Valley, N.Y. : Anthroposophic Press, c1976. - x, 429 p., [1] leaf of plates : ill. ; 22 cm.
Translation of Biologische Landwirtschaft. Includes index.
Bibliography: p. 404-416.
77353950
Organic farming.
S605.5 / .K6213
630.5/8
Bio-dynamic agriculture : an introduction / by Herbert H. Koepf, Bo D. Pettersson, Wolfgang Schaumann. - Spring Valley, N.Y. : Anthroposophic Press, c1976. - x, 429 p., [1] leaf of plates : ill. ; 22 cm.
Translation of Biologische Landwirtschaft. Includes index.
Bibliography: p. 404-416.
77353950
Organic farming.
S605.5 / .K6213
630.5/8