A farmer harvests wheat in Xizhuang Village of Tangshan City, north China's Hebei Province, June 18, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Liu Mancang)

Farmers harvest wheat in Pingyi County of Linyi City, east China's Shandong Province, June 5, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Wu Jiquan)

Farmers harvest wheat in Pingyi County of Linyi City, east China's Shandong Province, June 5, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Wu Jiquan)

A farmer harvests wheat in Xizhuang Village of Tangshan City, north China's Hebei Province, June 18, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Liu Mancang)

A farmer harvests wheat in Xizhuang Village of Tangshan City, north China's Hebei Province, June 18, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Liu Mancang)

A farmer harvests wheat in Xizhuang Village of Tangshan City, north China's Hebei Province, June 18, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Liu Mancang)

A farmer harvests wheat in Xizhuang Village of Tangshan City, north China's Hebei Province, June 18, 2019. As of June 18, 300 million mu (20 million hectares) of winter wheat have been harvested in China, 96 percent of which were harvested by machines. (Xinhua/Liu Mancang)