、撒施多效唑。在水稻插秧后 5～ 7天 ,每亩用多效唑 80～ 1 0 0克 ,加细干土 2 0公斤 ,拌匀后均匀撒施于田间水层 ,也可以与追肥及除草剂充分混匀后施用。这样可以有效地抑制基部节间伸长 ,使植株矮化 ,茎秆坚韧 ,提高其抗倒伏性。二、增施磷钾肥。在幼穗发育期每亩追施氯化钾 , Spraying paclobutrazol. 5 to 7 days after rice transplanting, the amount of paclobutrazol 80 ~ 100 grams per mu plus fine dry soil 20 kg, mix evenly spread in the field of water, can also be top dressing and herbicide after mixing Application. This can effectively inhibit the internode elongation, dwarf plants, stalks tough and improve its lodging resistance. Second, increase phosphorus and potassium fertilizer. Topdressing potassium chloride in the panicle during the development of acres