The lowering of ground water table and increase of salinity in aquifer under the condition of leaching treatment are lower than that under the condition of normal treatment.

• 抽取地下微咸水灌溉后，淋洗灌溉定额条件地下水位的下降幅度及含水层盐分的增加量都比正常灌溉定额条件下有所降低。