施化肥示意图(3)病虫害防治①植物病虫害防治是养护管理的重要措施，其保

Schematic diagram of chemical fertilizer application <br>(3) Pest and disease control <br>① Plant pest and disease control is an important measure for maintenance and management. It ensures that plants are not damaged and achieve ideal growth results. Therefore, pest and disease control must be carried out in a timely and effective manner. <br>② Pest and disease control must implement the plant protection policy of “prevention first, comprehensive prevention and control”, and use comprehensive prevention and control technologies as much as possible to control pesticide pollution to a minimum. <br>③It is necessary to grasp the occurrence and development patterns of plant diseases and insect pests, focusing on prevention and supplementing treatment, to control and eliminate pests and diseases before they cause harm. It requires diligent observation and discovery, and timely prevention and control.

Schematic diagram of fertilizer application<br>(3) Disease and pest control<br>① Plant disease and pest control is an important measure for maintenance and management, which ensures that plants are not harmed and achieve ideal growth results. Therefore, disease and pest control must be carried out in a timely and effective manner.<br>② The prevention and control of pests and diseases must adhere to the plant protection policy of "prevention first, comprehensive prevention and control", and use comprehensive prevention and control techniques as much as possible to control pesticide pollution to the minimum.<br>③ It is necessary to grasp the occurrence and development laws of plant diseases and pests, with prevention as the main approach and treatment as the auxiliary. To control and eliminate diseases and pests before harm, it is necessary to observe and discover them frequently, and prevent and control them in a timely manner.

Schematic diagram of chemical fertilizer application<br> (3) pest control<br> (1) Plant pest control is an important measure of conservation management, which ensures that plants are not infringed and achieve ideal growth effects, so plant pest control must be carried out in a timely and effective manner.<br> ② The plant protection policy of "prevention first, integrated control" must be implemented in pest control, and integrated control technology should be adopted as far as possible to control pesticide pollution to a minimum.<br> ③it is necessary to master the occurrence and development law of plant diseases and insect pests, giving priority to prevention, supplemented by treatment, and to control and eliminate diseases and insect pests before harm, which requires frequent observation and discovery and timely prevention.