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.
https://doi.org/10.1093/jpe/rtac085
https://doi.org/10.1093/jpe/rtac085

