以前防治稻飞虱,除敌敌畏是夏季睛天田里无水时熏蒸外,其它农药要灌深水进行泼浇。如逢烤田期,或水利条件差的地方则有困难。且与绿肥立苗生长,以及防止水稻纹枯病和小球菌核病等病害的发生蔓延矛盾。且费工、操作不便、损伤稻苗、阴天或有露时影响效果。 Before the control of planthoppers, except for dichlorvos is the summer eye drops when the field fumigation without water, other pesticides to irrigation deep water pouring. Such as baking period, or poor water conditions are difficult. And with green manure seedlings growth, and to prevent the occurrence of rice sheath blight and sclerotinia and other diseases spread contradictions. And labor, inconvenient operation, damage rice seedlings, cloudy or exposed effects.