滨海盐渍土稻田主要分布在黄海和渤海沿岸一带，其中辽河下游沿海地区，现有水稻面积250多万亩。随着工农业生产的发展，工业和城市用水日益增加，农业用水不足将日益突出，特别是辽河下游沿海地区的水稻生产，正面临着严重缺水的挑战。据水利部门透露，到2000年全区每年将缺水 Coastal saline soil is mainly distributed in the Yellow Sea and the Bohai Sea coast, of which the lower reaches of the Liaohe River coastal areas, the existing area of ​​more than 2.5 million mu of rice. With the development of industrial and agricultural production, the industrial and urban water use is increasing day by day, the shortage of agricultural water will be increasingly prominent. Especially the rice production in the coastal areas of the lower reaches of Liaohe River is facing the challenge of severe water shortage. According to the water conservancy department, by the year 2000, the whole region will be short of water