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Fig. 2. Partitioning of dry matter (g) in different parts of a maize plant as influenced by nitrogen treatments (N1, N supplied from V8 to maturity; N2, N supplied from seedling emergence to V8; N3, N supplied from seedling emergence to silking; N4, N supplied from seedling emergence to 3 wk after silking; and N5 (control), N supplied from seedling emergence to physiological maturity). The values are averaged over three hybrids, and the bars with the same letter within each plant part are not statistically significant at P < 0.05.
