在华主席英明领导下,塘麻大队广大贫下中农结合农田基本建设,把原来有钉螺的旧河道作开新填旧。消灭钉螺孳生地,取得可喜成绩。塘麻大队的旧河套长达二千二百五十六米,宽二十米,深二点五米,面积共有五百二十六亩,因为河道弯曲,深浅不 Under the wise leadership of Chairman Hua, the vast majority of poor and middle-income peasants in the Tong Ma unit combined with farmland infrastructural projects to re-fill old rivers with snails. Eliminate snail breeding places, made gratifying achievements. The old hemp of the Tong Ma unit has a length of 2,256 meters, a width of 20 meters and a depth of 2.5 meters. It has an area of ​​520 hectares, because the river is curved and has no depth