不同土地类型的碱性氮含量。不同土地类型土壤的平均碱氮含量差异显著，其中

The basic nitrogen content of different land types. The average alkali nitrogen content of different land types is significantly different, among which the vegetable field is the highest, with an average of 72.87mg/kg, a variation of 40.0~114mg/kg; followed by the grain field, the average content of 70.16mg/kg, a variation of 21 ~213.4mg/kg; the lowest in the orchard, the average is 64.63mg/kg, the variation range is 23.5~134.0mg/kg

Alkaline nitrogen content of different land types. The average alkali nitrogen content of different soil types varied significantly, with the highest vegetable land, with an average of 72.87mg/kg and a variation of 40.0 to 114mg/kg, followed by a grain field with an average content of 70.16mg/kg, with a variation of 21 to 213.4mg/kg, and the lowest orchard, with an average of 64.5 to 13.4mg/kg, with an average change of 23.5 mg/kg

Basic nitrogen content of different land types. The average alkali nitrogen content of different land types was significantly different, of which vegetable land was the highest, with an average of 72.87mg/kg, with a range of 40.0-114mg/kg; secondly, the average content of grain field was 70.16mg/kg, with a range of 21-213.4mg/kg; orchard was the lowest, with an average of 64.63mg/kg, with a range of 23.5-134.0mg/kg<br>