论文部分内容阅读
阐述了阿坝州生态环境现状、农业气候区划特征、农业生态组成方案及退耕还草还林的意义及效益。
The present situation of ecological environment in Aba Prefecture, the characteristics of agricultural climate zoning, the plan of agro-ecology and the significance and benefits of returning farmland to forest and grassland are expounded.