Guimaraes, P.T.G. Carvalho, J.G. Melles, C.C.A. Malavolta, E.
Estudos sobre a nutricao mineral do cafeeiro, 38: efeitos da aplicacao foliar de doses de sulfato de zinco na producao e na composicao mineral das folhas do cafeeiro (Coffea arabica L.) Nota previa
Studies on the mineral nutrition of coffee plant, 38, effects of foliar applications of zinc sulphate on the yield and composition of coffee (Coffea arabica L.) Previous note