01036nam a2200217ua 4500003001000000005001700010008004100027020001800068040003000086111007800116245026300194260012600457490003400583504002800617650002700645650002300672653002500695655001000720710004400730710004400774AR-SsjUCA20250716140442.0250228s1984    xxu           000 0 eng d  a0-89118-076-1  aAR-SsjUCAbspacAR-SsjUCA2 aAmerican Society of Agronomy. Symposiumd(29 Nov.-3 Dec. 1981 :cAtlanta)10aOrganic farming: current technology and its role in a sustainable agriculture :bproceedings of a symposium sponsored by Divisions S-3, S-4, S-8 and A-5 of the American Society of Agronomy, Crop Science Society of America in Atlanta, Ga., 29 Nov.-3 Dec.1981.  aMadison, WI :bAmerican Society of Agronomy :bCrop Science Society of America :bSoil Science Society of America,c1984.0 aASA special publication ;v46  aIncluye bibliografía. 4aAgricultura sostenible 4aEcología vegetal  aCultivos orgánicos 4aTexto2 aCrop Science Society of America. CSSA. 2 aSoil Science Society of America. SSSA.