CARMO, D. L.; NANNETTI, D. C.; DIAS JUNIOR, M. S.; ESPIRÍTO SANTO, D. J.; LACERDA, T. M.; ALBUQUERQUE, A. D. Contribution of spontaneous plants on the physico-chemical properties of Latosol and in the nutrition of the coffee plant (Coffea arabica L.). Coffee Science - ISSN 1984-3909, v. 6, n. 3, p. 233-241, 12 Sep. 2011.