沿黄故道背河洼地莲藕丰产栽培技术民权县科委冯彦伟历史上黄河曾多次决口泛滥，沿黄故道外侧形成了大面积封闭式背河洼地。由于长期失耕，这里成为“冬春白茫茫，夏秋水汪汪”的不毛之地。自１９８６年以来，我们承担开展了“沿黄故道背河洼地综合利用技术开发”研究项目... The Yellow River Road backwater depression lotus root cultivation techniques civil rights science and Technology Commission Feng Yanwei Yellow River has repeatedly in the history of the proliferation of flooding, along the outer side of the Yellow River formed a large closed back River depression. Due to long-term dereliction of farming, here become a “winter white, summer water bark” barren. Since 1986, we undertook the research project of “Technology Development of Comprehensive Utilization of Back River Depression along the Old Route of Yellow River”.