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景泰川灌区,有效灌溉面积30.42万亩。而次生盐渍化的面积已达3.05万亩,为总耕地的10.03％。所以,防治土壤次生盐渍化是灌区的当务之急。
Jingtai River irrigation area, an effective irrigation area of 304200 acres. The secondary salinization area has reached 3.05 million mu, 10.03% of the total cultivated land. Therefore, the prevention and treatment of soil secondary salinization is the top priority of the irrigation area.