本文依据全国定点宁乡县连续１１年土壤肥力定位监测成果，认为近年大面积投肥总量增加并维持在较高水平，且氮、磷、钾配比愈加合理，为农业丰收奠定了较好的基础。但是，长期单施或偏施化肥现象越来越严重，有机质含量逐年下降，土壤理化性状明显变劣，严重制约了农作物可持续增产。并提出了解决办法。 According to the national 11th consecutive year of soil fertility monitoring and monitoring in Ningxiang County, the author thinks that the total area of ​​fertilization increased and maintained at a high level in recent years, and the proportion of nitrogen, phosphorus and potassium was more reasonable and laid a good foundation for agricultural harvest Foundation. However, the long-term single or partial chemical fertilizer phenomenon is more and more serious, organic matter content decreased year by year, the physical and chemical properties of soil significantly worsened, seriously hampered the sustainable increase of crops. And put forward a solution.