我县自一九八○年三月开始普查。历时一年零半个月。通过土壤普查,发现我县土地资源丰富,摸清了高产稳产田肥力状况,找到了低产田土壤障碍因素,为农业区划、农田基本建设和提高科学种田水平提供了措施和依据。这次普查面积为1711007亩(毛面积,以下同)。其中耕地1007600.5亩,耕地主要分布在平原地区。我县耕地土壤肥力障碍因素较多,影响农业生产的发展,现粮食亩产仅在240斤,综合其土壤方面的原因主要有三个方面: My county started the census in March 1980. Lasted a year and a half months. Through the soil survey, we found that the county has abundant land resources, found out the status of fertility in high and stable yield fields, and found the obstacle factors of soil in low yield fields, which provided the measures and basis for agricultural zoning, farmland construction and raising the level of scientific farming. The census area of ​​1711007 acres (gross area, the same below). Of which 1007600.5 acres of arable land, arable land is mainly distributed in the plains. There are many obstacles in soil fertility in cultivated land in our county, affecting the development of agricultural production. Now the output per mu is only 240 kg per mu. There are mainly three reasons for synthesizing the soil: