我省2、3月份日平均气温≤12℃，且持续3天以上或口平均气温≤15℃，每天日照小于2小时，且待续7天以上断续有小雨的天气过程，称为低温阴雨。此时正是我省早稻的播种季节，对早稻谷种和秧苗都威胁很大，严重的年份，会造成大面积烂科烂秧，从而影响全年的水稻生产。本文根据低 The average daily temperature in February and March in our province is ≤12 ℃, and lasts for more than 3 days or the average temperature of the mouth is ≤15 ℃, the daily sunshine is less than 2 hours and the intermittent light rain process lasting for more than 7 days is called low temperature rainy season . At this moment, it is the sowing season of early rice in our province, and threatening the early rice seedlings and seedlings. In the severe year, the rotten seedlings of large area will be caused, which will affect the annual rice production. This article is based on low