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在排水较差条件下灌溉矿化度为１．３～１．６８ｇ／Ｌ的微咸水，土壤含盐量、ＳＡＲ、ＳＤＲ、ＳＳＰ、ＫＭｇ随灌溉年限延长而增高。表明土壤盐碱化加重，使旱作物减产，不能用纯回归水灌溉中轻度盐碱化土壤。采用混灌、咸淡输灌不会对土壤和作物产生危害。小麦生长全程覆盖地膜有明显的防返盐作用，但产量降低。覆盖秸秆降低早春地温，出苗迟，无防返盐效果。施有机肥、糠醛渣有良好的改良效果，有利于开发利用回归水。
Salinized soil salinity, SAR, SDR, SSP and KMg increased with irrigation duration under the conditions of poor drainage. Indicate the aggravating of soil salinization, reduce the dry crop, can not use mild return water to moderate salinization of soil. With mixed irrigation, brackish irrigation will not harm the soil and crops. Wheat covering the whole film has a clear anti-salt back to the role of salt, but lower production. Cover the straw to reduce early spring temperature, emergence late, no anti-return salt effect. Application of organic fertilizer, furfural residue has a good improvement effect, is conducive to the development and utilization of return water.