Organic farming :  current technology and its role in a sustainable agriculture : proceedings of a symposium / 
sponsored by Division S-3, S-4, S-6, S-8, and A-5 of the American Society of Agronomy, Crop Science Society of America, and the Soil Science Society of America in Atlanta, Ga., 29 Nov.-3 Dec. 1981 ; editorial committee, D.F. Bezdicek, chm. ... [et al.] 
 - vii, 192 p. ;  23 cm. 
 - ASA special publication ;  no.46 .
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<br/><br/><label>ISBN: </label>0891180761 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURA ORGANICA<br/>AGRICULTURA SOSTENIBLE
<br/><br/><label>Dewey Class. No.: </label>631.584  / O74o 1990