conversion the land for forestry

• 退耕还林

conversion the land for forestry的用法和样例：

例句

1. Good results were achieved in projects for reforesting formerly cultivated land and protecting natural forests.
   退耕还林和天然林保护工程建设取得成效。
2. The implementation of convert arable land to forestry will effectively improve the ecological environment in western regions, and prevent soil erosion.
   实施退耕还林工程，将有效地改善西部地区的生态环境，遏止水土流失。