藏粮于技增收益

Core Insights - The article highlights the importance of sweet potatoes in ensuring food security and economic prosperity in Pinggu District, Beijing, emphasizing their transition from a staple food to a profitable and healthy crop [1][2]. Group 1: Agricultural Innovation and Technology - The Pinggu District has made significant advancements in sweet potato seedling technology, producing 112,000 virus-free seedlings and 110,000 pounds of virus-free seed potatoes in 2024, marking a shift towards upstream seed source research [1]. - The district has established a comprehensive industrial chain for sweet potatoes, integrating variety selection, seedling cultivation, and deep processing to enhance product value [1][2]. - Pinggu is focusing on high-standard farmland construction, with 47,900 acres planned from 2021 to 2024, of which 21,200 acres have been completed and 26,700 acres are under construction [2][3]. Group 2: Crop Yield and Food Security - The introduction of high-yield soybean varieties, such as "Zhonghuang 203," has led to record soybean yields of 545 pounds per acre, contributing to food security efforts in the region [2]. - From 2021 to 2024, Pinggu District has achieved a continuous increase in grain harvest area and total output, expanding from 88,700 acres to 138,500 acres and increasing production from 42,500 tons to 57,100 tons [3]. Group 3: Future Development Plans - Pinggu District aims to strengthen its seed industry by addressing key challenges and fostering innovation in crop varieties, while also enhancing farmland quality to secure planting areas for major crops like wheat and corn [4]. - The district plans to promote the integrated development of the entire agricultural industry chain, including seedling production, cultivation, and processing, to ensure stable and abundant grain production [4].