GONÇALVES JR, A. C., NACKE, H., STREY, L., SCHWANTES, D., & SELZLEIN, C. (2008). PRODUCTIVITY AND PRODUCTION COMPONENTS OF FERTILIZED MAIZE WITH Cu AND NPK IN AN ARGISOIL. Scientia Agraria, 9(1), 035–040. https://doi.org/10.5380/rsa.v9i1.10130