Technicians conduct measurement of machine harvest loss in a wheat field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

Combine harvesters reap wheat in a field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

A combine harvester works in a wheat field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

A combine harvester reaps wheat in a field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

Technicians conduct measurement of machine harvest loss in a wheat field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

An aerial drone photo shows combine harvesters reaping wheat in a field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

An aerial drone photo shows combine harvesters reaping wheat in a field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

A combine harvester works in a wheat field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

A combine harvester reaps wheat in a field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)

A combine harvester reaps wheat in a field in Dachang Town of Xihai'an (West Coast) New Area in Qingdao, east China's Shandong Province, June 11, 2024. In east China's Shandong Province, China's second-largest wheat-producing area, a variety of loss-cutting activities have been carried out in each county and city with wheat plantation areas exceeding 4 million hectares. Meanwhile, more than 1.5 million sets of agricultural machinery are joining in the harvest in Shandong. (Xinhua/Li Ziheng)