深耕灭茬 通过深耕把作物残体及杂草埋在土下,经过冬春,使其腐烂变成肥料。同时深耕也会把土壤中越冬幼虫及虫卵翻出地面,将其冻死。 药剂封杀 初春用杀菌剂、杀虫剂喷洒秸秆,将虫 Deep plowing stubble through deep plowing of crops and weeds buried in the soil, after winter and spring, so rotten into fertilizer. At the same time, deep plowing will turn the overwintering larvae and insect eggs in the soil out of the ground and freeze them to death. In early spring with pesticides to kill fungicides, insecticides spraying straw, will insects