新华社经济随笔：从开镰到“开机”，“黑科技”解锁夏收“密码”

Group 1 - The core viewpoint emphasizes the rapid advancement of agricultural mechanization and technology in China, particularly during the summer wheat harvest season, showcasing various modern harvesting technologies that enhance efficiency and productivity [1][2][3]. Group 2 - Over 800,000 combine harvesters were deployed nationwide for the summer wheat harvest, achieving an average daily harvesting area of 80 acres per machine, which is a 30% increase in efficiency compared to five years ago [2]. - The overall progress of wheat harvesting was 2 to 3 days faster than the average in previous years, reflecting significant improvements in agricultural practices [2]. - The mechanization rate for crop production in China has surpassed 75%, with major grains achieving near-complete mechanization and over 4,000 types of domestic agricultural machinery available [3]. Group 3 - The integration of advanced technologies such as IoT, big data, and artificial intelligence is accelerating the smart transformation of the agricultural machinery industry, leading to the emergence of "unmanned farms" [4]. - The domestic market for high-end cotton picking machines has grown significantly, with a current market share of nearly 70% for domestically produced six-row baling cotton pickers [3]. - The export value of agricultural machinery from China increased by 25.7% year-on-year in the first quarter, indicating a growing international demand for Chinese agricultural equipment [4]. Group 4 - The Chinese government is actively promoting the development and application of advanced agricultural machinery to ensure food security and modernize agriculture, as outlined in the central government's policy documents [5]. - The focus on technological innovation aims to enhance the overall productivity of agriculture and bridge the gap with international standards in agricultural machinery [6].