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Why Do You Spend a Lot of Money and the Effect is Not Good When You Use Agricultural UAVs to Spray M

Now, it is very common for agricultural drones to spray pesticides, and many farmers who cultivate large areas use this method. However, for the same crops and adjacent plots, some people spend twice the cost of spraying others and still cannot prevent pests and diseases. Why?

1. Before using agricultural drones to spray pesticides

Choose your medication time

Whether it is pests or bacteria, they all have a suitable temperature for activity, about 20-30 degrees Celsius, and 25 degrees Celsius is the best. At this time, agricultural drone spraying pesticides is not only safe for crops, but also will work for pests and diseases in the active period. 

Choose the right pesticide

In the case of disease prevention, first of all, it is necessary to treat the symptoms and then prescribe the medicines. Do not use drugs indiscriminately, and recognize the difference between the drugs for fungal diseases and those for bacterial diseases. Secondly, the drugs should be rotated, and the same drug should not be used blindly, so as to prevent the increase of pest resistance and the decrease of drug resistance. 

2. When using agricultural drones to spray pesticides

Master the operation of agricultural drones

When there are obstacles such as telephone poles, cable-stayed wires, electric wires, and telephone lines in the work site, first observe whether the poles and cables are regular or whether the cable-stayed cables, cables, and telephone lines are all in the forward direction. If it is in the forward direction, it is recommended to manually operate to expand the block with obstacles by 3 meters to clear it. The flight direction is the forward direction of the obstacles, and the cable pulls will not meet the flight. Clearing the obstacle blocks will minimize mistakes, and the working light environment will be relatively good. The remaining blocks without obstacles will be much safer to use autonomous flight, and the spraying efficiency will be greatly improved.

Grasp the spraying distance and flight speed

The sprinkler head of the agricultural drone should be kept at a height of about 1-2 meters with the crops, and the appropriate flight speed should be set according to the specific operating terrain, crops and environment.

According to the multiple tests of various types of agricultural drones by technicians, it is confirmed that the optimal operating flight speed of agricultural drones is between 4 and 5 meters. is the best, above or below this speed will result in poor job performance. If the flow rate of the liquid medicine cannot meet the operation requirements, it is recommended to adopt the method of two crisscross operations to meet the amount of liquid liquid per mu. This method is more suitable for fruit tree operations, and the crop surface is more uniform.

Adjust the spray flow

Adjust the appropriate spray flow according to the performance of the agricultural drone and its nozzles. Under normal circumstances, the higher the droplet density of contact-killing pesticides, the better the insecticidal effect, that is, the diameter of the droplet is smaller, about 80~100 microns; Better, that is, the diameter of the droplets is about 120~150 microns. The pressure nozzle adjustment method is to replace the nozzle corresponding to the nozzle aperture, and the centrifugal nozzle can adjust the droplet diameter through the flight control software.

3. After using agricultural drones to spray pesticides

After the agricultural drone sprays pesticides, it is necessary to pay close attention to the development of pests and diseases. One or two days after spraying, it is necessary to inspect the level of pest control in the field in time, so as to determine whether another spray is needed, what kind of medicine is needed, and so on.

With the advancement of science and technology, whether it is agricultural drone flight control technology, precision spraying technology, or pesticide technology will continue to move forward, and an intelligent and precise modern agricultural service system will be gradually estblished, allowing farmers to avoid detours and to increase revenue.

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