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Effect of potassium humate on plant height, number of nodes and sympodial branches of cotton. Within the seed dressing application, the same lowercase letter (s) a, b, or c, indicates that the soil potassium humate application rates are not statistically different at p < 0.05. Among the seed dressings, the same uppercase letter (s) W, X, Y or Z, showed a non-significant effect. Error bars represent the standard deviation of the mean (n = 3, three replications).
