Simple procedure for nutrient analysis of coffee plant with energy dispersive X-ray fluorescence spectrometry (EDXRF) . Scientia Agricola, [S. l.], v. 70, n. 4, p. 263–267, 2013. DOI: 10.1590/S0103-90162013000400007. Disponível em: https://revistas.usp.br/sa/article/view/64053.. Acesso em: 24 may. 2024.