highly significantp < 0.01
An additional correlation analysis ( Table 3 ) resulted in highly significant ( p < 0.01) correlation coefficients that ranged between 0.71 (between Fe nutritional yield and Cu nutritional yield) and 0.95 (between yield and Mg nutritional yield) for the five variables studied (yield; and Fe, Zn, Cu, and Mg nutritional yield). 3.3.