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--中西部退耕还林（草）和生态建设及种苗工程。在西部地区开展退耕还林（草）等生态环境建设是西部开发的重要内容。从 2000年起，将在长江上游的云南、四川和黄河上中游地区的陕西、甘肃等 13省区开展退耕还林（草）试点工程建设，计划退耕 515万亩，同时安排宜林荒山荒地人?
- Mid-Western Returning Farmland to Forests (Grasslands) and Ecological Construction and Seedling Projects. Developing the ecological environment in the western regions such as converting farmland into forests or grasslands is an important part of the development of the western region. Since 2000, a pilot project of returning farmland to forestry and grassland will be carried out in 13 provinces and autonomous regions, including upper reaches of Yunnan, Sichuan and the upper reaches of the Yellow River in Shaanxi, Gansu and other 13 provinces and autonomous regions, and plans to return the farmland to 515 million mu while arranging barren hillsides in Yilin ?