东北玉米金黄，江南稻浪翻滚！科技助力各地“粮”辰美景，丰收在望

Group 1 - The core viewpoint is that autumn grain accounts for three-quarters of China's total grain production, and various regions are leveraging technology to ensure a successful harvest [1] - In Northeast China, particularly Heilongjiang, the grain planting area remains stable at over 22 million acres, with corn planting area around 10 million acres [3] - Jilin province has a rice planting area of 12 million acres, with early harvesting expected due to advanced seedling and transplanting techniques, allowing new rice to be available by the end of September [5] Group 2 - In the middle and lower reaches of the Yangtze River, rice harvesting is progressing rapidly, with over half of the 22 million acres of mid-season rice in Hunan already harvested [7] - Hubei province has harvested over 9 million acres of mid-season rice, with more than 30% of the harvest completed, and is implementing actions to enhance yield through crop rotation and other efficient farming practices [7][8] - In Southwest China, rice harvesting is nearing completion in Chongqing, where over 90% has been harvested, and the region anticipates increases in planting area, yield, and total production this year [10]