1.排盐洗碱含盐量在0.5%以上的需灌水洗盐3—4次,含盐量在0.5%以下时需灌水洗盐2—3次。每次洗盐时,应尽可能做到大排大灌,灌水10—13厘米,3—5天后全部排出即可。针对我省西部情况,吉林省农科院水稻所提出“三洗”原则,即:播前泡田洗碱2—3次。“水混”洗碱,插后到分蘖初期,常常出现“脱裤”现 1. Drainage salt alkali washing salt content of 0.5% or more need to wash salt 3-4 times, salt content below 0.5% need to wash salt 2-3 times. Wash salt each time, should be done as large row irrigation, irrigation 10-13 cm, 3-5 days after all can be discharged. For the western situation in our province, Jilin Academy of Agricultural Sciences rice proposed “three wash ” principle, that is: before sowing soaking pit alkaline 2-3 times. “Water mixed ” wash alkali, inserted into the early tiller, often appear “Pants ” Now