Core Insights - The article discusses the development of the Yizhi fruit industry in Hainan, focusing on the integration of cultivation, processing, and research to enhance the value chain of this crop [2][4]. Group 1: Economic and Ecological Benefits - The Yizhi fruit is cultivated under rubber trees, allowing farmers to achieve dual income without significant additional investment [3]. - In areas like Wuzhishan, one acre of rubber forest can yield approximately 200 pounds of fresh Yizhi fruit, translating to about 1,200 yuan in additional income per acre [3]. - The total planting area of Yizhi in Hainan is around 400,000 acres, accounting for 40% of the national planting area, which supports local farmers' income [4]. Group 2: Deep Processing and Market Expansion - Hainan is establishing a deep processing industry for Yizhi, with products like Yizhi wine and honey being developed to enhance market reach [4]. - The introduction of processing enterprises in Qiongzhong aims to create over 200 jobs and is expected to generate an annual output value of 300 million yuan once fully operational [4]. Group 3: Resource Utilization and Technological Innovation - A project initiated by the provincial science and technology department aims to explore and utilize Yizhi genetic resources, enhancing product quality and market competitiveness [5]. - The project includes the establishment of a resource nursery, patent applications for innovative technologies, and the development of new products to increase the added value of the Yizhi industry [5].