一我省地处干旱和半干旱地区,灌溉缺水矛盾非常突出。解放后,特别是近几年来,在毛主席革命路线指引下,我省农田水利事业迅速发展,灌溉面积已由解放前的336万亩,增长为1957.7万亩,对抗御和减轻自然灾害,促进农业增产做出了贡献。在大搞农田基本建设的群众运动中,我省不少地区把渠道衬砌防渗作为建设高产稳产农 A province is located in arid and semi-arid areas, the contradiction between irrigation and water shortage is very prominent. After the liberation, especially in recent years, under the guidance of Chairman Mao’s revolutionary line, the cause of irrigation and water conservancy in our province has been developing rapidly. The irrigated area has increased from 3.36 million mu before liberation to 19.57 million mu to resist and ease natural disasters and to promote Agricultural production has contributed. In mass mobilization of farmland capital construction, in many areas in our province, channel lining is used as seepage prevention as a measure to build a stable, high-yielding agricultural production