The effects of P addition on (a) soil available N and (b) P concentration under ambient and N addition conditions.
Yumeng Guo et al. showed that the #AbovegroundNetPrimaryProductivity (ANPP) of the temperate typical steppe in #InnerMongolia were not limited by #Phosphorus. Whereas, under #Nitrogen addition, P addition significantly increased the ANPP and the aboveground biomass of forbs.
doi.org/10.1093/jpe/...