Fig. 2From: Effect of carboxymethyl cellulose and gibberellic acid-enriched biochar on osmotic stress tolerance in cottonEffect of treatments on chlorophyll a (A), chlorophyll b (B), total chlorophyll (C), and carotenoids (D) of cotton cultivated under 70 OS and 40 OS stress. Bars are means of 5 replicates ± SE. Difference letters on bars showed significant changes at p ≤ 0.05; Tukey testBack to article page