近几年，在豫南地区，稻茬机条播麦时有倒伏发生。小麦倒伏后，光合作用减弱，茎基部郁蔽，田间湿度增大，无效消耗增强，常导致病、虫、草害重发；同时小麦茎秆易折断损伤，致使成穗率不足，实粒数减少，千粒重下降，一般减产２０％～３０％。根据我们的经验，预防倒伏，... In recent years, in the southern region of Henan, rice stubble mulberry barley occurs when there is lodging. After lodging of wheat, the photosynthesis weakened, the base of the tree was depressed, the humidity in the field increased, and the ineffective consumption increased, which often led to the disease, insect and grass re-emergence. At the same time, the stem of wheat was easy to break and damage, Reduce, 1000 weight loss, the general reduction of 20% to 30%. According to our experience, to prevent lodging, ...