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一、前言玉林县内主要河流为南流江,年产水量12.87亿立方米。解放前,旱涝交错,全县仅有小塘坝1,740处,总蓄水量4,380万立方米,平均每亩耕地占有水量50多立方米,灌溉面积约7万亩,粮食亩产416斤。解放31年来,全县已建成中小型水库133座,中型河坝4座,电力抽水站5,155千瓦,柴油机抽水站7,385马力,加上小水塘6,500多处,小水坝1,100多座,共计蓄、引、提总水量4.6亿立方米,平均每亩耕地占有水量600立方米,相当于解放前的10倍
I. Introduction The main rivers in Yulin County are Nanliujiang River, with an annual output of 1.287 billion cubic meters of water. Before the liberation, drought and flood staggered, the county only Xiaotang dam 1,740, the total storage volume of 43.8 million cubic meters, the average per mu of cultivated land occupies more than 50 cubic meters of water, irrigation area of about 70,000 mu, grain mu produce 416 pounds. In the 31 years since the liberation, the county has built 133 small and medium-sized reservoirs, 4 medium-sized river dams, 5,155 kilowatts for electric pumping stations and 7,385 horsepower for diesel pumping stations. Together with 6,500 small reservoirs and over 1,100 small dams, Cited, mention a total of 460 million cubic meters of water, the average per mu of cultivated land occupies 600 cubic meters of water, equivalent to 10 times before liberation