Drones are used to spray herbicide at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
A worker monitors the condition of the fields with intelligent systems at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
Aerial photo taken on Feb 11, 2022 shows the automatic irrigation and fertilization system operating at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province. [Photo/Xinhua]
Aerial photo taken on Feb 11, 2022 shows drones spraying herbicide at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province. [Photo/Xinhua]
A worker adds herbicide into drones at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
A worker uses a mobile phone to check the condition of water and fertilizer in the fields at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
A worker starts the automatic irrigation and fertilization system at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
The automatic irrigation and fertilization system is seen operating in the fields at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
Drones are used to spray herbicide at an "unmanned farm" in Zhaoqiao town of Bozhou city, East China's Anhui province, Feb 11, 2022. [Photo/Xinhua]
