CLEMENTE, F. M. V. T.; CARVALHO, J. G. DE; GUIMARÃES, R. J.; MENDES, A. N. G. Critical ranges of macronutrient leaf levels in coffee (Coffea arabica L.) after planting - first year. Coffee Science - ISSN 1984-3909, v. 3, n. 1, p. 47-57, 11.