“三北”工程区 攻坚进行时（美丽中国）

Core Viewpoint - The article emphasizes the importance of combating desertification and enhancing ecological construction in China, particularly through the "Three North" project, which is crucial for ecological security and sustainable development [12]. Group 1: Desertification Control Efforts - The "Three North" project is a key ecological initiative aimed at combating desertification, with significant efforts being made in regions like Inner Mongolia, where the Ordos City is a main battlefield [12][13]. - In 2025, Ordos plans to implement ecological construction over 2.56 million acres, including the treatment of 290,000 acres of bare sand [13]. - Mechanization is identified as a key to improving efficiency in desertification control, with new technologies such as self-propelled sand barrier machines significantly increasing productivity [13]. Group 2: Afforestation and Biodiversity - In Liaoning's Zhangwu County, a grafting project of Chinese red pine onto Japanese black pine has achieved over 90% survival rate, showcasing advancements in afforestation techniques [14][15]. - The region is transitioning from single-species forests to mixed-species plantations to enhance resilience against pests and diseases [15]. - Zhangwu County has become a significant seedling production base, cultivating 20 million high-quality seedlings annually [15]. Group 3: Economic Development through Agriculture - In Xinjiang's Yutian County, the cultivation of roses has become a profitable venture, with 3,000 acres planted, yielding between 5,000 to 10,000 yuan per acre [16]. - The county has developed a variety of rose-based products, enhancing the economic value of the crop and contributing to local tourism [16]. - The integration of agriculture, culture, and tourism is being promoted to create a comprehensive development model, boosting local income and attracting tourists [16].