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1Challenges and opportunities for organic agriculture and the seed industry Challenges and opportunities for organic agriculture and the seed industryby 9519 IFOAM, Bonn (Alemania), Organización de las Naciones Unidas para la Alimentación y la Agricultura (FAO) Roma, Italia 1188, 12808 International Seed Federation, Nyon (Suiza), World Conference on Organic Seed (Roma, Italia : 1) 5-7 Jul 2004 :
Published 2004bibliotecaIICA