Group 1 - The national wheat harvesting is progressing from south to north, with over 80% of the harvest completed in the Southwest wheat region and the Huang-Huai-Hai region entering the harvesting phase [1] - Sichuan, a key area in the Southwest wheat region, has completed the harvesting of approximately 6.2 million acres, with expectations to finish by the end of the month, slightly ahead of last year [3] - In Hubei province, over 90% of the 15 million acres of wheat has been harvested, with grain purchasing enterprises already acquiring more than 150 million jin of new wheat [3] Group 2 - The Huang-Huai-Hai region is the largest and most productive wheat area in China, with mechanical harvesting activities ramping up in Henan, Anhui, and Jiangsu [3] - In Anhui province, approximately 43.42 million acres of wheat are being harvested, with farmers working to collect wheat at the right maturity to minimize losses [3] - In Henan province, 85 million acres of wheat are entering the suitable harvesting period, with over 20% already harvested [4] Group 3 - The "Three Summer" period is characterized by the use of various agricultural machinery for harvesting, planting, and management [5] - Summer harvesting machinery includes combine harvesters, balers, and dryers, which are essential for efficient grain collection and storage [7] - The summer planting machinery consists of seeders, transplanters, and tillers, which prepare the land and plant crops after the harvest [9] Group 4 - The use of advanced agricultural machinery is increasing, with smart technologies such as Beidou and 5G being integrated into farming practices, including autonomous machines and agricultural drones [9]