安徽省蒙城县农业引用外资,在20万亩砂姜黑土区兴建综合治理工程,综合治理的重点是通过农田基本建设和生物措施,进行砂姜士的改良利用。砂姜黑土广泛分布于淮北平原,其面积占淮北平原总面积的52.5%,蒙城县耕地面积为192.3万亩,其中砂姜黑土面积159万亩,占全县耕地面积的82.7%。因此,对砂姜黑土这一 Agriculture in Mengcheng County of Anhui Province refers to foreign investment and builds a comprehensive harnessing project on 200,000 mu of lime concretion area. The focus of comprehensive management is to improve and utilize the sagacity by means of farmland capital construction and biological measures. Shajiang black soil is widely distributed in the Huaibei Plain, its area accounts for 52.5% of the total area of ​​Huaibei Plain, Mengcheng County, arable land area of ​​192.3 hectares, of which 159.2 hectares of lime ginger soil, accounting for 82.7% of the county area of ​​arable land. Therefore, this black sand ginger