倒伏是水稻增产增收的一大敌。水稻倒伏后 ,轻者减少 1 0 %～ 2 0 % ,严重的减产 50 %以上。为将水稻倒伏造成的损失控制在最小范围内 ,在 1 999年 7月 2 7日 ,泸县部分乡镇杂交中稻遭受7级以上短时大风暴雨袭击 ,迫使水稻平地倒伏 ,当时在穗粒已成熟 30 %左右的条件下 ,作者对 Lodging is a major enemy of rice production and income. After lodging rice, the light to reduce 10% ~ 20%, a serious reduction of more than 50%. In order to minimize the losses due to the lodging of rice, on July 27, 1999, some hybrid townships in Luxian County were hit by a typhoon over storms of magnitude 7 or higher that forced the rice to flatten down when spikelets were ripe About 30% of the conditions, the author right