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1Organic farming: current technology and its role in a sustainable agriculture; proceedings of a symposium, Atlanta, GA, 29 Nov - 3 Dec 1981 Organic farming: current technology and its role in a sustainable agriculture; proceedings of a symposium, Atlanta, GA, 29 Nov - 3 Dec 1981Texto bibliotecaFAO IT
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2Sustainability of agricultural systems in transition Sustainability of agricultural systems in transitionby Payne, W.A. (ed.), American Society of Agronomy, Madison, WI (USA) eng, Keeney, D.R. (ed.), Rao, S.C. (ed.), Crop Science Society of America, Madison, WI (USA) eng, Soil Science Society of America, Madison, WI (USA) eng
Published 2001Texto bibliotecaFAO IT