人民治理黄河70年灌溉效益分析

Analysis of Irrigation Benefits of the Yellow River Management in Recent 70 Years

黄河上游的宁蒙河套平原、中游的汾渭盆地以及下游的沿黄平原是我国粮食、棉花、油料的重要产区,在我国国民经济建设中具有十分重要的战略地位。通过灌溉效益分摊系数计算,人民治理黄河70年来,黄河灌区作物增产量为12 827.19亿kg,增产效益38 119.00亿元,其中灌溉分摊效益19 646.90亿元,近20年黄河灌区生产了占全国总量12%的粮食。搞好黄河流域的灌溉事业,对于保障流域乃至全国的粮食安全具有重要作用;同时改善了西北地区脆弱的生态环境,遏制引黄补源灌区地下水水位下降。

Ning-Meng Plain in the upstream,Fen-Wei Basin in the midstream and the plains along the lower reaches of the Yellow River are important producing areas of grain,cotton,oil plants in our country,which takes very important strategic position in the building of our national economy. According to the irrigation benefit allocation coefficient,the paper summarizes the increase of crop production in the Yellow River irrigation area is 1.282719 trillion kg over the past 70 years,and the benefit of increasing production is 3.8119 trillion yuan and irrigation benefit apportion is 1.96469 trillion yuan. The Yellow River irrigation area accounts for 12% of the national cultivated area Improving the irrigation projects in the Yellow River basin plays an important role to protect basin and national food security; meanwhile,improves the fragile ecological environment in northwest China and controls groundwater levels drawdown in the Yellow River water irrigation areas.