国家林业局近日决定在京津冀范围内大规模防治美国白蛾,计划今年在3省(市)防治作业面积121万亩。根据国家林业局的计划,今年春季在北京市与天津、河北交界处飞机预防、治理美国白蛾面积20万亩,地面预防、治理面积5万亩,将疫情阻隔在北京城区外;北京城区重点监测地区一旦发现疫? The State Forestry Administration recently decided to prevent and control large scale white moths in Beijing, Tianjin and Hebei. It plans to control 121,000 mu of crops in three provinces (cities) this year. According to the plan of the State Forestry Administration, this spring, planes at the border of Beijing and Tianjin and Hebei prevented and controlled the white moth area of ​​200,000 mu and ground prevention and treatment area of ​​50000 mu, blocking outbreaks outside Beijing’s urban area; Once the epidemic area is found in the monitoring area