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The antioxidant activity of jujube fruit produced by different fertilizers.
A: DPPH scavenging activity; B: ABTS+ scavenging activity; C: antioxidant activity coefficient; D: reducing power. Inorganic fertilizer treatments (N, P, K and complete NPK), organic fertilizer treatments (BRF and DSM) and CK. The vertical bars represent the SD (n = 3) and bars marked with no letters in common are significantly different (p < 0.05).
