四,积极应用新农药,减少病、虫、草害。为了防治小麦丛矮病,岭北小麦攻关田都用3911拌种,亩用量300—350克,先拌药后拌肥,种肥药同时播种或种肥同位分箱播种,对防治小麦丛矮病和地下害虫有显著效果。当小麦3—5叶期时按不同草害类型,不同品种的除草剂进行机械化灭草。以野苏子为主体的麦田宜采用二甲四氯,亩用量80— Fourth, active application of new pesticides to reduce disease, insects, grass damage. In order to prevent and cure wheat dwarf disease, Lingbei wheat attack Guan Tian are used 3911 seed dressing, mu amount 300-350 grams, mix first mixed with fertilizer, seed fertilizer at the same time sowing or kind of fertilizer sowing box, to prevent wheat Cong dwarf Disease and underground pests have a significant effect. When the wheat 3-5 leaf stage by different types of grass, different varieties of herbicides to weed out mechanized. To Ye Zuzi as the main wheat should be used MCPA, the amount of acres of 80-