China
Central South University of Forestry and Technology
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