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| | CARVALHO, MARIA ANGELA MACHADO DE, PINTO, MARCOS MECCA and FIGUEIREDO-RIBEIRO, RITA DE CÁSSIA LEONE Inulin production by Vernonia herbacea as influenced by mineral fertilization and time of harvest. Revta. brasil. Bot., Dec 1998, vol.21, no.3. ISSN 0100-8404
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