增城迟菜心，育苗啦！

Core Viewpoint - The article discusses the cultivation and market characteristics of "Zengcheng Late Vegetable Heart," a unique agricultural product from Zengcheng District, Guangzhou, emphasizing its quality, growth conditions, and the introduction of a new "vegetable ticket" system to ensure authenticity and quality control [4][26]. Group 1: Product Characteristics - Zengcheng Late Vegetable Heart is a nationally recognized geographical indication product and a special agricultural product known for its late harvest compared to regular vegetable hearts [4]. - It is praised for its excellent quality, unique flavor, low fiber, crisp skin, soft flesh, and high nutritional value, earning it titles like "King of Vegetable Hearts" [5][6]. - The traditional variety requires a growth period of 120 days, which allows for better nutrient accumulation and superior taste compared to faster-growing varieties [16][17]. Group 2: Market Trends and Consumer Feedback - Recent consumer feedback indicates that some of the Zengcheng Late Vegetable Hearts available in the market lack the expected sweetness, attributed to the prevalence of a faster-growing variety with a growth period of only 70-90 days [8][14]. - The article highlights the importance of selecting the authentic 120-day variety to experience the true flavor and quality of Zengcheng Late Vegetable Heart [22][31]. Group 3: Agricultural Practices and Innovations - The Zengcheng District has introduced a "vegetable ticket" system to protect the brand and promote sustainable development, allowing only those products that meet the 120-day growth requirement to use the special identification [26][27]. - Agricultural experts emphasize the need to focus on quality and promote the traditional 120-day variety to ensure the product's reputation and market success [24][25].