Core Viewpoint - The article highlights the critical phase of fruit enlargement in over 39,000 acres of citrus orchards in Conghua District, Guangzhou, emphasizing the importance of field management for determining annual yield and quality [2][5]. Group 1: Expert Guidance and Support - A multi-level expert team has been established, led by the Guangzhou Conghua District Agricultural Technology Promotion Center, to provide targeted research and guidance to citrus growers [3][4]. - The initiative aims to alleviate difficulties for growers and inject momentum into the high-quality development of the local citrus industry [5][26]. Group 2: Specific Recommendations for Citrus Cultivation - Experts recommend the "grass planting method" for ecological management, which involves planting beneficial weeds to improve soil structure and increase organic matter content while reducing chemical pesticide use [11][12][14]. - For enhancing fruit sugar content and storage capacity, experts suggest applying phosphorus and potassium fertilizers during the late fruit enlargement phase [15]. Group 3: Addressing Regional Challenges - In mountainous areas, experts propose a "drip irrigation + covering" approach to ensure even water supply and reduce evaporation, along with phased fertilization to address soil fertility issues [21][23]. - Pest control strategies focus on managing spider mites and other pests, recommending the use of specific pesticides to prevent resistance and ensure healthy photosynthesis for fruit development [24][25]. Group 4: Long-term Mechanisms and Future Plans - The Conghua District Agricultural Technology Promotion Center plans to establish a long-term mechanism for expert-field-grower collaboration, focusing on key growth stages of citrus [26][29]. - The initiative aims to utilize big data for monitoring soil moisture and pest trends, providing precise and intelligent planting recommendations to enhance both yield and quality in the citrus industry [29][30].

Core Viewpoint - The "Green Nourishment Yunan" selection event aims to promote local specialty products and enhance brand development in Yunan County, driving agricultural industry upgrades through the establishment of a regional public brand [4][50]. Group 1: Event Overview - The expert review meeting for the 2025 "Green Nourishment Yunan" selection event was held in Yunan County's e-commerce park, gathering experts from agriculture, food processing, and brand marketing [2][3]. - The event attracted over 100 agricultural enterprises, cooperatives, and family farms from 15 towns in the county to participate in the selection process [12][13]. - The selection process includes seven stages: collection initiation, mobilization for applications, town-level preliminary review, expert evaluation, name verification, result announcement, and award presentation [14][15]. Group 2: Product Development and Branding - Yunan County, known for its rich ecological resources, has implemented a brand-strengthening strategy, enhancing the influence of the "Green Nourishment Yunan" public brand [7][8]. - The county has developed a range of high-quality products, including the nationally recognized geographical indication product "Yunan Seedless Yellow Skin," premium rice, sugar oranges, cinnamon, bamboo shoots, and traditional Chinese medicine [8][9]. - The selection event aims to systematically identify and cultivate these high-quality local specialty products, injecting new momentum into the industry [10]. Group 3: Expert Insights - Experts highlighted the diverse agricultural products in Yunan, emphasizing the potential for creating a multi-faceted brand based on the region's rich resources [19][20]. - The Yunan seedless yellow skin fruit has been recognized for its size, taste, and seedless characteristics, leading to the development of a "billion-dollar industry" around it [25][26]. - The county has expanded its product line to include over 30 processed products, such as beverages and snacks, enhancing the economic returns for local farmers [28]. Group 4: Future Directions - Experts suggested that Yunan should focus on technological advancements in areas like cold chain logistics and efficient extraction of active components from by-products to enhance market competitiveness [40][41]. - The event serves as a platform to showcase the charm and potential of Yunan's local specialties, further promoting the "Green Nourishment Yunan" brand and driving high-quality agricultural development [49][50].