Fig. 6. Seedling (A) shoot height, (B) root length, (C) leaf number, and (D) total biomass of Senegalia catechu and Leucaena leucocephala at three successive harvests. Error bars represent ± 1 standard error of the mean. The symbols ** and *** represent significant difference at p ≤ 0.01 and p ≤ 0.001, and NS represents no difference between two species (independent sample t-test). Different alphabets ‘a, b’ and ‘p–r’ represent significant difference among the days after seed sowing within S. catechu and L. leucocephala, respectively (p ≤ 0.05, one-way ANOVA).
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