Application Technology 
After the user has mastered the basic flight, AB point operation and fully autonomous operation modes of the plant protection UAV, the following brief application process can be referred to for the plant protection flight prevention operation.
1. Obtain the operation plot by means of map point selection, puncher positioning and plant protection UAV positioning.
2. The pesticide shall be prepared according to the instructions for pesticide use, the degree of crop resistance and the crops and pests to be controlled. Attention shall be paid to the preparation concentration. If the concentration is too high or too low, it may cause drug damage and ineffective control. At the same time, the amount of pesticide required per mu shall be determined (1L / mu is recommended for low crops such as rice and wheat, and 1 / 5-2l / mu is recommended for tall crops such as corn and sugarcane). Pay attention to safety when preparing pesticides. Please wear protective equipment.
3. Install the plant protection UAV and conduct commissioning and calibration to make it fly.
4. Replace and install the appropriate nozzle as required, and then test the spraying speed to obtain the spraying flow per minute.
5. According to the amount of medicine required per mu and the spraying flow per minute, the route of the operation plot shall be planned on the mobile phone ground station. And then upload the route to the UAV.
6. Add medicine into the medicine box of UAV, walk beyond the safe distance (15m) after adding, and confirm that there are no obstacles and personnel around and above the take-off place, then perform the unlocking action, and then switch to the autonomous operation mode for one key take-off. The plant protection UAV can operate independently according to the planned route.
7. When the battery power is lower than the set value and the chemical solution in the medicine box is used up, no one in plant protection will automatically generate a breakpoint and return. After landing and locking the UAV, you can perform the action of adding medicine or changing batteries.
8. Cycle through steps 6 and 7 until the job is complete.
9. After completing the spraying operation for one day, carry out maintenance according to the instructions in maintenance and service.
10. Calculation formula of drug ratio: flying speed x 60 (s) x spraying time x spraying width = total flying area
