China
Central South University of Forestry and Technology
soil extracellular enzymes, microbial phosphorus limitation, microbial carbon demand, tree species identity, species richness gradient
rhizosphere effect, nutrient inputs, nitrogen mineralization, nutrient limitation, extracellular enzyme activity, 15N isotope dilution technique
phosphorus biological cycling, phosphorus fluxes, supply-demand balance, silvicultural measures, Stand age, plantation forest
arbuscular mycorrhizal fungi, Chinese fir plantation, mycelium length density, Nitrogen addition, soil organic carbon, stand age