沿河稻区水灾经常发生，对水稻产量构成严重威胁。辽宁水灾多在水稻抽穗之前，此期遭受洪水袭击，除砂压、倒伏和撤水后沉淀上对水稻造成一定损失外，稻株站杆被水淹没对其发育和产量影响极大。1995年7月末8月初我区水稻孕德期发生了特大洪灾，960Ohm2稻田被洪水淹没（水深超过 Floods along riverine areas often occur, posing a serious threat to rice production. Most floods in Liaoning before the paddy heading stage, during which floods hit, in addition to sand pressure, lodging and sedimentation on the water after a loss caused some damage, the rice plant stand pole flooded its development and yield a great impact. In late July and early August 1995, there was a catastrophic flood in the paddy field in our region, and 960Ohm2 paddy fields were flooded