Soil Nutrient and Fertility Study in the Seedling Nursery of Shanzhuang Forest Farm
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.
万方数据
维普
