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Measured values in root, stem, and leaf compartments of: (a) nitrogen (N), (b) sodium (Na), (c) calcium (Ca), (d) carbon (C), (e) potassium (K), (f) magnesium (Mg) contents, (g) carbon/nitrogen (C/N) ratio, (h) carbon/potassium (C/K) ratio, and (i) carbon/magnesium (C/Mg) ratio (means ± SE). Different letters above bars within panels indicate significant differences (p < 0.05) according to one-way analysis of variance (ANOVA).
