Nitrogen transformation in forest soil
Amount of soil nitrogen supply
Apparent budget of soil nitrogen
Apparent soil nitrogen loss
Basic amounts of soil nitrogen supply
methods of measuring soil nitrogen supplying capacity
mineralization of soil nitrogen
nitrogen effect to soil nitrogen
Research Progress of Soil Nitrogen Mineralization
Soil nitrogen
土壤氮含量
土壤氮
土壤全氮
土壤氮素
土壤各形态氮
氮素
土壤N素
soil nitrogen and phosphorous runoff
Soil nitrogen concentration
soil nitrogen fertility
soil nitrogen mineralization