These details determine the effect when the drone is spraying!
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Drones have made significant progress in China, thanks to their high efficiency, advanced performance, and strong capacity to handle sudden disasters. In recent years, breakthroughs in technologies such as low-altitude spraying and remote control applications have further enhanced the capabilities of drones. These advancements have led to increased use in various fields, particularly in agriculture.
In the fight against agricultural pests and diseases, the height at which a drone operates and the airflow it generates play a crucial role in the uniformity of droplet distribution, deposition, and drift. To better understand the optimal working parameters for small drones and identify suitable dosage forms for their application, researchers conducted experiments using different formulations of chlorpyrifos to spray corn mites. The results showed that a flight speed of 5 meters per second and a plant height of 2.5 meters yielded the best control effect. Flying too high or too low can negatively impact either the effectiveness or the efficiency of the operation.
In another study focused on controlling wheat midge, small UAVs were used for low-altitude spraying with various agents, dosage forms, and additives. Researchers analyzed the distribution and control effects of the droplets. It was found that the centrifugal atomizing nozzle produced a more uniform droplet density compared to the liquid atomizing nozzle, making it a more effective choice for aerial spraying.
In developed countries, agricultural aviation aircraft typically use hydraulic and rotary centrifugal atomizing nozzles. These systems are designed to produce controllable droplets, large spray volumes, reduced clogging, fewer nozzles, and low-volume spraying. This approach enhances the effectiveness of aerial operations while minimizing environmental impact.
As drone technology continues to evolve, its applications in agriculture and disaster management are expanding. With ongoing research and development, drones are becoming an essential tool for improving productivity, reducing chemical usage, and promoting sustainable practices in farming and emergency response. Their versatility and precision make them a valuable asset in modern agriculture and beyond.