北京与28个蔬菜基地达成直供协议，蔬菜最快2小时进京

Group 1 - The core idea of the articles highlights the improvement in the supply chain for vegetables in Beijing, emphasizing direct supply from production bases to markets, which enhances freshness and reduces prices [1][2] - Beijing has established direct supply agreements with 28 vegetable bases across six provinces, covering 12 vegetable varieties with a total planting area of 36,000 acres, supplying 141,000 tons of vegetables annually [1] - The regulatory approach has shifted to pre-harvest inspections at the production sites, ensuring that substandard products are intercepted before reaching the market [1] Group 2 - The Beijing Municipal Market Supervision Administration is implementing a higher standard system to guide vegetable bases in standardized planting, focusing on controlling pesticide and fertilizer use to ensure product quality [2] - The administration is developing a "Beijing Quality" local standard system based on sensory, nutritional, and food safety indicators, aiming to expand direct supply bases and product varieties [2] - Future plans include selecting vegetable production areas with excellent ecological environments and well-established traceability systems to introduce more diverse products, including specialty fruits and high-quality grains and oils [2]