CHONGQING (CQNEWS) -- On February 29, a plant protection UAV was working in a rape field in a village in Dazu District. Dazu District has an average annual plant protection area of 480,000 mu. In recent years, through the introduction and promotion of modern plant protection machinery such as water-saving, drug-saving and efficient plant protection UAV, it has laid a solid foundation for agricultural production and harvest. (Photographed by Zhai Bo) 

(Translated by Luo Juan, Fathom Language Limited)