立秋时节：丰收在望，各地秋收秋庆活动丰富多彩

Group 1 - The core viewpoint highlights the significance of the beginning of autumn for agriculture, indicating a promising harvest season ahead [1] - In Heilongjiang, a major grain-producing area, corn is in the critical grain-filling stage, with expectations of maturity in about one and a half months [3] - The use of smart and integrated water and fertilizer equipment is being implemented to ensure optimal growth conditions for corn [3] Group 2 - In Chongqing, rice harvesting has begun, with efforts to facilitate large-scale mechanized harvesting through coordination with teams from other provinces [6] - The rice planting area in Chongqing remains around 10 million mu, with harvesting expected to be completed by the end of October [6] Group 3 - In Jiangxi's Wuyuan, traditional customs of drying harvested crops during autumn are being highlighted, with local tourism benefiting from these practices [9] - The "drying autumn" activity has evolved into a unique attraction, drawing tourists to the region [9] Group 4 - In Hunan's Xiangxi, the Miao ethnic group celebrates the arrival of autumn with traditional festivities, which include various cultural displays and social activities [12] - The "Miao Autumn Festival" is recognized as a significant traditional event and is included in the UNESCO intangible cultural heritage list [12]