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(一)上海郊区自1956年开始建造固定电力灌溉泵站,打破了自古以来靠人力提水灌溉的局面。目前,电力灌溉(包括喷灌)控制面积已占全市总耕地面积的98.8%。电力排灌事业的发展增强了抗御自然灾害的能力,促进了农业稳定增产和其他事业的发展。但是,郊区相当部分的泵站是50、60年代建成的,经过三十多年的长期运行,泵站建筑物塌裂破损,机泵设备陈旧老
(I) The construction of a fixed electric irrigation pumping station in the suburbs of Shanghai since 1956 broke the situation of manpower-raised water irrigation since ancient times. At present, the control area of electric irrigation (including sprinkler irrigation) accounts for 98.8% of the total cultivated area of the city. The development of electric power irrigation and drainage has strengthened the ability to resist natural disasters and promoted the steady increase of agriculture and the development of other undertakings. However, a considerable part of the suburban pumping station was built in the 1950s and 1960s. After more than 30 years of long-term operation, the pumping station buildings have been damaged and collapsed,