Status of Soil Nutrient and Fertilization Decision of Farmland in Changyuan Country

The soil nutrient of farmland in Changyuan Country was surveyed.The results showed that the average content of organic matter,total N,available P and available K was 13.78 g/kg,0.83 g/kg,15.41mg/kg and 99.61 mg/kg,respectively.The average pH value was 8.47.The average content of available Mn,Fe and Cu was 14.17mg/kg,10.01mg/kg and 1.42mg/kg,respectively,which was over the critical value.The average content of available Zn was 0.83mg/kg,and 7.04% of soil was lack of Zn.On the whole,soil was lack of P and N,parts of soil was lack of K and Zn.The formula fertilization should be extended,and the straw returning should be carried out to fertilize the soil.