The photo, taken on February 21, shows an agricultural machinery technician testing and debugging a rotary tiller in Qunli Village, Qiaoyi Town, Wangcheng District, Changsha City. (Photo/Chen Sihan, Xinhua)

As the spring ploughing season approaches, the Agricultural Machinery Affairs Center of Wangcheng District, Changsha City organizes technicians to provide technical guidance as well as overhaul, upgrade, maintain and debug farm machinery in preparation for the new season.

The photo, taken on February 21, shows agricultural machinery technicians overhauling automated seedling-raising equipment at a seedling-raising factory in Qiaoyi Town, Wangcheng District, Changsha City. (Photo/Chen Sihan, Xinhua)

The photo, taken on February 21, shows a technician installing the Beidou system for agricultural machinery in Hefeng Village, Qiaoyi Town, Wangcheng District, Changsha City. (Photo/Chen Sihan, Xinhua)

The photo, taken on February 21, shows agricultural machinery technicians overhauling agricultural drones at a professional agricultural machinery cooperative in Qiaoyi Town, Wangcheng District, Changsha City. (Photo/Chen Sihan, Xinhua)

The photo, taken on February 21, shows an agricultural machinery technician overhauling rice transplanters at a professional agricultural machinery cooperative in Qiaoyi Town, Wangcheng District, Changsha City. (Photo/Chen Sihan, Xinhua)

The photo, taken on February 21, shows an agricultural machinery technician overhauling farm tractors at a professional agricultural machinery cooperative in Qiaoyi Town, Wangcheng District, Changsha City. (Photo/Chen Sihan, Xinhua)