Sediment in the Lower Yellow River irrigation is mainly treated with warping and improvement of saline-alkali soil, low and waste lands, which plays an important role in improving the ecological environment and developing the agricultural production in th
Sediment in the Lower Yellow River irrigation is mainly treated with warping and improvement of saline-alkali soil, low and waste lands, which plays an important role in improving the ecological environment and developing the agricultural production in th
黄河下游引黄灌溉中的泥沙主要采取放淤改土、改造低洼盐碱沙荒地，对黄河下游两岸发展工农业生产、改善生态环境，起到了重要作用。