Evaluation of the Nutrient Composition of Maize in Different NPK Fertilizer Levels Based on Multivariate Method Analysis

Figure 1

Cluster of NPK in nutrients with means of sampling times on leaves. Nitrogen (N), potassium (K), phosphorus (P), magnesium (Mg), calcium (Ca), sulphur (S), zinc (Zn), iron (Fe), copper (Cu), manganese (Mn), nickel (Ni), and molybdenum (Mo).