河北平原京津以南黑龙港地区,历史上旱、涝、碱灾害盛行,粮食产量低而不稳。自伟大领袖毛主席发出“一定要根治海河”的号召以来,在敬爱的周总理亲切关怀下,胜利地修建了一系列大型水利工程,旱、涝、碱灾大为减轻,粮食产量逐年提高。但随农 The Heilonggang area south of Beijing and Tianjin in the Hebei Plain has historically suffered from drought, waterlogging and alkali disasters, with low and unstable grain output. Since the call made by the great leader Chairman Mao, “It is imperative to cure the Haihe River,” a series of large-scale water conservancy projects have been victoriously built under the gracious care of the beloved Premier Zhou. The drought and waterlogging and the alkali disaster have been greatly alleviated and the grain output has been increasing year by year. But with farming