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回归水是盘锦地区灌溉水源的一个重要组成部分。盘锦地区滨海盐碱地,群众在改良利用过程中,利用回归水灌溉稻田已有多年历史,大部分是用混合水,矿化度1.0克/升左右。1972年枯水期全地区用回归水量约占总引水量的25％。用回归水灌溉稻田,有的发生了死苗、减产,但也有的获得了高产。盘山区水田34万亩用混合水灌溉,近二年来,连年增产。大洼区西三大队用大洼排总纯回归水灌溉多年,1971年水稻亩产373斤,1972年亩产557斤,1973年亩产710斤。事实说明,回归水是一项可以利用的水利资源。为了查明回归水灌溉的效果,1973年领导
The return of water is an important part of irrigation water in Panjin. Coastal saline land in Panjin region, the masses in the process of improving utilization, the use of return water to irrigate the paddy field has many years of history, most of them are mixed with water, salinity of about 1.0 g / l. In 1972, the total amount of water returned to the whole region during the dry season accounted for about 25% of the total water diversion. Irrigated rice fields with return water, some dead seedlings occurred, cut production, but some also obtained high yield. Panshan paddy fields 340,000 mu with mixed water irrigation, the past two years, year after year increase. Dawa district West Third Battalion Dawa drainage with the total return of pure water for many years, 1971 rice yield 373 kg, 557 kg per mu in 1972, 710 kg per mu in 1973. Facts show that return to water is an available water resources. In 1973 to guide the return of irrigation effect