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Drones raise farming efficiency, quality in China A drone flies over rice fields at 8 meters per second, sowing rice seeds in the afternoon in Liantang village, Huangpu district, Guangzhou, south China's Guangdong Province. In just 30 minutes, 300 mu (20 hectares) of rice fields are sown. Across the farmland, Internet of Things (IoT) devices, including soil sensors, weather stations, and smart cameras, send data back to the "farm brain" every 15 minutes. "One drone can manage 500 mu of farmland, enabling fully unmanned cultivation," said Gong Jiaqin, co-founder and senior vice president of XAG, an agritech robot maker. Around 3,000 km away in Yuli county, northwest China's Xinjiang, XAG's 3,000-mu smart cotton farm is just as still and silent. There are no workers, only drones autonomously patrolling overhead, while unmanned vehicles move along preset routes, delivering precisely measured water and fertilizer directly to each cotton plant's roots. This is China's first unmanned cotton farm project. When it was launched in 2021, local cotton farmers thought it was impossible for two people to manage 3,000 mu of land. By 2024, however, the farm achieved an average yield of 529 kilograms of seed cotton per mu, with premium cotton accounting for over 96%. Read full: