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Number of grains (A) and kernel weight (g) (B) from Experiment 1. Box plots figures represent the number of grains per plant (A) and kernel weight (B) with respect to N fertilization; bar charts describe the number of grains per plant (A) and kernel weight (B) from each line with N fertilization. Means with the same letter for each line and N treatment are not significantly different as determined by LSD multiple comparisons at p < 0.05.
