山东富硒产业三产融合发展提速，今年已新增14家示范基地

Group 1 - The core viewpoint of the article highlights the rapid growth of selenium-rich agricultural integration in Shandong, with the number of demonstration bases increasing from 3 to 17 within a year [1][3] - The three awarded units in Qingdao exemplify the successful development of the selenium-rich industry, focusing on quality control and innovative marketing strategies [1][3] - The integration of the three industries (planting, processing, and sales) significantly enhances the added value of selenium-rich agricultural products, benefiting both producers and consumers [3] Group 2 - The development of selenium-rich agriculture in Shandong is supported by national emphasis on agricultural product consumption and the establishment of relevant standards [4] - Future demonstration bases are expected to lead the way in promoting the scale, industrialization, and standardization of selenium-rich agriculture, contributing to rural revitalization and health initiatives in China [4]