把普及生物农药提上日程农药，已经成为不可缺少的农业生产资料。病虫害加上杂草、鼠害的破坏，是影响农作物高产稳产的重要因素之一，若无有效的防治，每年可以导致农业１５％至３０％的产量损失。近几年来，我国农作物病虫害发生面积呈逐步上升趋势，农药用量和生产量也... The popularization of bio-pesticides on the agenda Pesticide, has become indispensable agricultural means of production. Pests and diseases, together with weeds and rodent damage, are one of the most important factors that affect the high and stable yield of crops. Without effective prevention and control, annual production losses of 15% to 30% can be caused in agriculture. In recent years, the occurrence area of ​​crop diseases and pests in our country is gradually increasing, and the amount and production of pesticides are also ...