对于退耕还林,我没有做过专门的调查,这次我想来听一听。上午介绍了一些情况,我觉得对这些在实施过程中出现的一些具体问题,讨论还是挺有必要的。作为国家搞这项政策,退耕还林能持续多长时间,应该持续多长时间,我觉得这是现在应该考虑的最大问题。我想咱们国土经济学研究会在现 I have not done any special investigation on returning farmland to forests, and this time I want to hear. In the morning, I introduced some situations and I think it is quite necessary to discuss some of the specific problems that have arisen during the implementation process. As the country engaged in this policy, how long it should last for a long time after the project of returning farmland to forestry should last, I think this is the biggest issue that should be considered now. I think we will be studying economics now