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Effect of biochar treatment at three different concentrations (0, 1, and 2%) on total yield (A) and fruit number (B). Mean comparisons were performed by Tukey’s HSD post-hoc test. Different letters within each column indicate significant differences between means (p ≤ 0.05). * and ** denote significant effects at p ≤ 0.05 and p ≤ 0.01, respectively (n = 3).
