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].