To strengthen the management and management of artificial red pine cone forests，Improving Korean pine seed yield and quality，Since early August，Dahai Forestry Bureau Company to Red Star、4 from six forest farms (places) including Changting.20,000 acres of Korean pine plantation undergoes second aerial control operation。This aerial control operation will strengthen the prevention and control of diseases and insect pests in the red pine cone forest，Perform aerial fertilization，Improving the economic benefits of red pine cone forests。

 “There are relatively many diseases and insect pests that harm red pine cones，We conducted the first aerial defense of the red pine cone forest in mid-to-late June，Mainly bc game casino reviewused to control fruit stem borer pests。To help increase the yield and income of red pine cone forests，Dahai Forestry Bureau Company always adheres to the refinement of red pine cone forests、Fruit tree management，We also added foliar fertilizers and nutrients during aerial control，Carry out aerial spraying and fertilization。This second aerial control operation used emamectin salt to control coniferous pests such as pine stem borer，Reducing pests，The role of increasing Korean pine seed yield。" Su Xin introduced to reporters。

 Before the helicopter took off，Heilongjiang Bingcheng General Aviation Co., Ltd. Manager Yang Guojun leads his employees to fill the helicopter with liquid medicine and fuel。After completing routine inspection，Watching bc game casino reviewthe helicopter heading to the operation area along the established route。

 “There are more areas for flight defense operations this time，The operating points are scattered，We specially selected the 2244 small helicopter suitable for low-altitude flying，Each flight can load 200 kilograms of liquid medicine，The control area is about 450 acres，The aircraft flies at a constant speed at a height of 15 to 20 meters above the tree crown，After spraying and atomizing the chemical solution, it can better cover the red pine cones at the top of the tree crown，It can ensure the effectiveness of the work，It can also improve work efficiency。"Yang Guojun said。

 “Now is the main flood season，Rainfall is more frequent，No rainfall occurs within 1 hour after the aerial defense operation bc game casino reviewis completed to ensure normal efficacy，We pay close attention to weather changes，Seize the opportunity for flying defense in fine weather。" Su Xin said。

 As of now，This flight defense mission has been completed。Next step，Dahai Forestry Bureau Company will strengthen insect monitoring and follow-up inspection in the aerial control area，Ensure prevention and control effects。