| Soybean and corn are crops that are among the most planted in the northwest of Paraná, in this way, a study of some micronutrients that are essential for the growth of these plants is necessary, because even in small quantities, are considered essential elements for development of these plants and also to the health of human beings. Therefore, this study had the purpose of quantifying Fe, Cu, Zn, Cr, Mn, Ni, Na and Pb within different soybean and corn cultivars commercialized in the northwest of the state of Paraná. Samples were obtained from the Cooperativa Agropecuária Goioerê (COAGEL) – located in the city of Umuarama, northwest of Paraná. Thirty-six cultivars of corn and fourteen of soybean were analyzed. First, samples were dried at 100ºC, grinded and... |
