F. C. Dalchiavon, M. de P. e Carvalho, F. G. de Andrade, R. Montanari, and M. Andreotti, “Productivity of the sugarcane and definition of specific zones of soil management”, Semina: Ciênc. Agrár., vol. 34, no. 5, pp. 2077–2088, Oct. 2013.