Core Insights - The article highlights the successful development of the chestnut industry in Qianxi County, Hebei Province, through scientific management and innovative practices, leading to increased quality and yield of chestnuts [1][2][3] Group 1: Industry Development - Qianxi County has planted 750,000 acres of high-quality chestnuts, producing over 80,000 tons annually, with fresh chestnut sales exceeding 900 million yuan, and the total output value of the chestnut industry surpassing 2.5 billion yuan [1][4] - The county has implemented a "mountain green, people rich" model, integrating ecological construction with local livelihoods, resulting in over 1.6 million acres of mountain greening [2][3] Group 2: Technological Innovation - Qianxi County collaborates with research teams for variety selection, cultivation management, and product development, promoting 220,000 grafting experiments of new chestnut varieties [3] - The county has established a 100-acre chestnut variety nursery in partnership with the Chinese Academy of Forestry, collecting 128 superior varieties and selecting two high-yield, quality varieties for demonstration [3] Group 3: Value Chain Enhancement - The county has improved the chestnut industry value chain by utilizing tree pruning waste for mushroom production, generating over 700 tons of fresh mushrooms annually and benefiting over 160 local producers [3] - Qianxi County has developed over 30 deep-processed chestnut products, with a processing capacity of over 3,000 tons annually, sold through both physical stores and online platforms [3][4]