在秋春干旱条件下 ,地膜麦田麦长腿蜘蛛、麦蚜从秋苗至抽穗前虫量比露地麦田高1～ 2倍 ,地下害虫危害株率比露地麦田高 2 %～ 14% ,特别是宽膜穴播麦田对麦蜘蛛、麦蚜和白粉病发生有利。地膜麦田杂草量比露地麦平均减少 2 4 .3%。精细整地 ,规范种植 ,药剂拌种 ,及时喷施除草剂是控制地膜麦田病虫草害的有效措施 Under the condition of autumn and spring drought, the amount of wheat aphids in the mulching wheat field is 1 to 2 times higher than that in the open field wheat from the autumn seedling to heading, and the harmful pest rate of the underground pests is 2% -14% higher than that of the open field wheat, especially the width Film breeder wheat fields are good for wheat spiders, wheat aphids and powdery mildew. The amount of weeds in mulched wheat fields decreased by an average of 24.3% over that of open fields. Fine preparation of soil, standardized planting, seed dressing and timely spraying of herbicides are effective measures to control pests and weeds in mulched wheat fields