探访宁夏盐池：五年“锁沙”变绿洲 生态答卷里的“治沙密码”

Group 1 - The core viewpoint of the articles highlights the successful implementation of innovative desertification control techniques in Ningxia's Yanchi County, transforming previously sandy areas into green oases through a multi-layered vegetation strategy [1][2][3] - Since the 14th Five-Year Plan, Yanchi County has developed a three-dimensional sand control technology system, which includes grass grids, sand crusts, and the sowing of drought-resistant plants, resulting in a threefold increase in efficiency compared to traditional methods [1] - Over 2 million acres of desertified land have been effectively managed, with a 12% increase in vegetation coverage compared to five years ago, and 1.5 million acres of degraded grasslands have been revitalized [1][3] Group 2 - The first international cooperation project for desertification prevention in China was launched in September, focusing on promoting Yanchi's sand control technology and integrating Israeli water-saving irrigation techniques [2] - The ecological improvements have led to the development of green industries, such as a cooperative that processes the branches of the local Caragana plant into high-protein feed, generating an annual output value exceeding 36 million yuan [2] - The project has engaged 230 households from eight surrounding villages in Caragana planting and harvesting, resulting in over 20 million yuan in dividends distributed to local farmers [3]