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大沙河是黄河故道下游改道段,在丰县李寨全社二坝附近.承接从河南兰考三义寨向东黄河故道的全部来水,并经丰、沛两县八昭阳湖.河滩及行洪河槽面积约100余平方公里,宜林地面积近10万亩,是发展林果生产的良好基地.解放后,大沙河沿岸人民在党和政府的领导下,有计划地开展了造林、拓果工作,初步取得了防风固沙和生产果品等经济效果,并不同程度地改善了农业生产条件,促进了农业生产的发展.沿河耕地粮食产量不断提高,单产从解放初的百十斤,现已提高到500多
Dashahe is the downstream course of the old course of the Yellow River and is adjacent to the second dam near Lizhai County in Fengxian County, where all the incoming water from the Sanyi Village of Lankao in Henan Province to the east of the Yellow River is undertaken and passed through Bazhyang Lake in Feng and Pei Counties. After the liberation, the people along the Dasha River under the leadership of the party and the government carried out plans in a planned way afforestation and extension work , Initially achieved economic effects such as windbreak and sand fixation and fruit production, and improved agricultural production conditions to a certain extent and promoted the development of agricultural production. Grain yield along the arable land continued to increase, and the yield per unit of output from the beginning of the liberation has now risen To more than 500