Vivan, G. A.; Robaina, A. D.; Peiter, M. X.; Parizi, A. R. C.; Barboza, F. da S.; Soares, F. C. Profitability of Soybean Crop, Corn and Bean Grown under Conditions of Upland. Semina: Ciênc. Agrár. 2015, 36, 2943-2950.