Reissmann, C.B. Koehler, C.W. Rocha, H.O. da Hildebrand, E.E. Niveis foliares e exportacao de micronutrientes pela exploracao da erva-mate Foliar contents and exportation of micronutrients by exploitation of erva-mate (Ilex paraguariensis St. Hill) Subjects--Topical Terms: MATEMICROELEMENTOANALISE FOLIAR