Group 1 - Hebei province is a major winter wheat production area in China, with over 33 million acres of winter wheat undergoing large-scale mechanized harvesting starting from June 6, expected to be completed by June 22 [1] - In Daming County, known as the "granary of southern Hebei," the wheat planting area is 829,500 acres, ranking among the top in the province [1] - The mechanized harvesting in Daming County began on July 7, with 1,800 acres of wheat entering the large-scale harvesting phase [3] Group 2 - The harvesting machines are equipped with the BeiDou navigation system, allowing for precise operation and reducing missed spots during harvesting, resulting in a uniform cutting height of 10 cm [4] - Each harvesting machine can fill its grain bin of over 2,000 kg in 20 minutes, and can harvest over 200 acres per day, improving efficiency by 30% compared to traditional methods [6] - A total of five BeiDou navigation harvesting machines are deployed in the village, allowing for the completion of harvesting 1,800 acres in 2 to 3 days [6] Group 3 - The county has over 220 machines, including bundling and raking machines, to handle the collection and storage of straw, with an expected completion of 110,000 tons of straw from 200,000 acres [8] - The estimated average yield for wheat in Daming County is over 1,000 pounds per acre, with a projected yield of 542 kg per acre this year, an increase from last year [9] - The county has mobilized over 2,000 harvesting machines and formed 10 volunteer repair teams to ensure a 100% harvesting rate [9] Group 4 - After wheat harvesting, straw is processed into bundles, which can be used as livestock feed, sent to paper companies, or used for biomass energy [10][12] - The local "grass weaving intangible cultural heritage + assistance for the disabled" project transforms agricultural waste into handicrafts, providing flexible employment opportunities for disabled individuals [14]