ANDRADE, C. D. L. T. D.; AMARAL, T. A.; DUARTE, J. D. O.; GARCIA, J. C.; SILVA, D. D. F.; MARTINS, P. C. SIMULATED YIELD AND NET RETURN OF A MAIZE CROP FERTILIZED WITH DIFFERENT SOURCES AND RATES OF NITROGEN. RBMS 2013, 11, 254-267.