我县由于受地势的影响,北方来的冷空气可以长驱直入,南方来的暖空气不易进入,给我县农业生产带来灾害性天气。前期“倒春寒”频繁,造成烂秧。平均每年我县烂秧率达30％左右,有的年份更高;后期常有秋风阴雨天气,对水稻产量影响较大。近几年来,由于 Due to the influence of the terrain, the cold air in the north can go straight to the south and the warm air in the south can not easily enter, which brings disastrous weather to the agricultural production in our county. Early “late spring cold” frequent, resulting in rotten seedlings. The average annual rate of rotten seedlings in our county is about 30%, and some of the year is higher; the latter part of the autumn rainy weather often has a greater impact on rice yield. In recent years, due