Fig. 4From: Effects of N and P enrichment on plant photosynthetic traits in alpine steppe of the Qinghai-Tibetan PlateauEffects of N and P fertilization on total aboveground biomass (AGB) and community weighed mean (CWM) of N content and height. CK: control, N: N fertilization, P: P fertilization, NP: N plus P fertilization.* indicates significant difference between treatments (p < 0.05). (A) community N content, (B) community height, (C)community aboveground biomassBack to article page