concede the land to forestry meaning in Chinese
退耕还林
Examples
- Concede the land to forestry
退耕还林 - The research of soil degradation in pur country is mainly concentrated on the red earth hilly area in the south in the past , and is less on the loess plateau that is one of the most fragile areas . based on field experiment and laboratory analysis , discuses the degradation mechanism , and raises the methods of refreshing and reestablishing land productivity of huangshan soil in chunhua county of shaanxi . in the hope of serving development of western regions and ecological environment construction that concede the land to forestry ( the grass )
我国以前对土壤退化问题的研究主要集中于南方红壤丘陵区，对生态环境最脆弱的黄土高原地区的土壤退化研究相对较少，故本文以黄土高原地区陕西淳化县的侵蚀性黄?土为对象，通过野外人工模拟降雨试验和室内分析相结合的方法，探讨了侵蚀性黄?土的退化机理，提出了恢复和重建黄?土土地生产力的途径和方法，以期服务于西部大开发和退耕还林(草)的生态环境建设。