什么“薯”？这么甜！|大湾区农交会“云城好物”推介活动

Core Viewpoint - The 2025 Greater Bay Area Agricultural Products Trade Fair will showcase the unique agricultural products of Yunfu City, particularly the sweet potatoes from Yuncheng District, highlighting their nutritional benefits and promoting local agricultural development [6][7][8]. Group 1: Event Overview - The 2025 Greater Bay Area Agricultural Products Trade Fair will take place from December 12 to 14 at the Guangzhou Exhibition Center [6]. - Yuncheng District will participate in the event, presenting its local products such as Yuncheng sweet potatoes, flowers, traditional medicine, and stone art [8]. Group 2: Agricultural Significance - Yuncheng District is a key area for sweet potato production in Guangdong, recognized for its rich natural environment that enhances the nutritional value of its sweet potatoes [9][10]. - The district has over 40 varieties of sweet potatoes, which are rich in selenium, calcium, vitamins, and proteins, earning the nickname "Southern Ginseng" [10][11]. Group 3: Nutritional Analysis - Recent nutritional testing revealed that the Yuncheng sweet potato varieties have significant mineral and protein content, with the Guangshu 20 variety containing 572 mg of calcium per kilogram and the Marsali variety having 41 µg of selenium per kilogram [30][31]. - The dietary fiber content of the Xigua Red variety reaches 12.02 g per 100 g, while the protein content of the Silky and Xigua Red varieties exceeds 40 g per kilogram, which is more than 1.5 times that of other varieties [32][34]. Group 4: Agricultural Development Initiatives - The district is implementing the "Guangdong Sweet Potato Production Improvement Action Plan (2023-2026)" to enhance sweet potato cultivation, including the establishment of a 40-acre healthy seedling breeding facility and a 5000-acre high-efficiency demonstration area [36][38]. - In 2025, the average yield of sweet potatoes in Yuncheng is projected to reach 2,652 pounds per acre, an increase of 11.4% from 2023, with prices for quality varieties rising from 2 yuan to between 8 and 10 yuan [39][40]. Group 5: Product Diversification and Tourism - The fair will feature processed sweet potato products such as sweet potato chips, noodles, and cakes, showcasing the high-quality development of the Yuncheng sweet potato industry [46][48]. - Yuncheng has developed a tourism model centered around sweet potatoes, integrating agricultural experiences with local attractions to enhance the region's economic benefits and promote rural revitalization [70][74].