Organic farming :
Organic farming : current technology and its role in a sustainable agriculture:proceedings of a symposium /
edited by D. F. Bezdicek.
- Madison : The Societies, 1984.
- vii, 192 p. : ill. ; 23 cm.,
- ASA special publication ; no. 46 .
Includes bibliographies.
Open access.
8373185
Organic farming--Congresses.
Includes bibliographies.
Open access.
8373185
Organic farming--Congresses.