一片茶叶的科技革命：日照绿茶凭啥领跑北方茶业

Core Viewpoint - The article highlights the integration of traditional tea industry with modern agricultural technology in Rizhao, particularly focusing on the innovative practices in the tea cultivation sector that have positioned Rizhao as a leading area for high-quality green tea in northern China [1][3]. Group 1: Industry Overview - Rizhao is recognized for its "Rizhao Green Tea," which has become a significant cultural and economic symbol for the city [1]. - The tea garden area in Rizhao is stable at 300,000 acres, with an annual production of 21,500 tons of dry tea and a total output value of 4.2 billion yuan [5]. - Since the 14th Five-Year Plan, the production and total output value of dry tea have increased by 18.8% and 27.3%, respectively [5]. Group 2: Technological Innovations - The tea cultivation base has developed a "gene bank" for northern tea tree germplasm resources, creating a full industry chain from seedling research to e-commerce sales [3]. - A new technology for rapid propagation of tea seedlings has reduced the cultivation cycle from 18 months to 38 days, allowing for the harvesting of tea in the same year of planting [3]. - The base can produce up to 20 million seedlings annually, with successful sales and promotion to various regions including Guangxi, Tibet, Chongqing, Shaanxi, and Inner Mongolia [3]. Group 3: Future Developments - A new matcha production line, with an investment of 120 million yuan, is set to commence operations, integrating planting, processing, and research, which will enhance the deep processing capabilities of Rizhao's tea industry [5]. - The park has established the largest tea tree germplasm resource garden in northern China and has successfully bred six new tea tree varieties suitable for the local climate [5].