Soil samples were collected in layers from the Beiwanzi nursery of Shanzhuang Forest Farm,and the soil moisture content,organic matter,total nitrogen,available phosphorus,available potassium,and pH value were analyzed.The conclusions are as follows:the soil moisture content in the nursery ranged from 20.23％to 21.39％,the organic matter content ranged from 9.82 to 15.47 g/kg,the total nitrogen content ranged from 0.66 to 0.91 g/kg,the available phosphorus content ranged from 8.1 to 10.4 mg/kg,and the available potassium content ranged from 138.4 to 148.8 mg/kg.The soil nutrient content level is between grade four and grade five,indicating that the soil fertility level is average.
维普
万方数据