节点文献
宁夏大农业内部系统耦合初探——Ⅱ论系统内资源单一利用的后果及解决农业持续发展的途径
Preliminary studies on internal system coupling of agriculture in Ningxia Ⅱ.The results of resources single utilization in the system and the way of agriculture sustainable development
【摘要】 根据史料 ,论述了宁南黄土丘陵区由于对土地生物资源单一的不合理利用 ,致使农业生态系统自我调节能力失调 ,生态环境破坏 ,水土流失严重 ,农业生产长期低而不稳 ,人民生活贫困的历史教训。并根据宁南山区各科研基点近 2 0年来的研究成果 ,提出了草地农业具备了与地域生态学上不稳定性相抗衡的基本功能 ,是解决这类地区农牧业生产向良性循环方向发展的主要途径。
【Abstract】 The historical experience in self adjustment imbalance, ecological environment destruction, water and soil seriously erosion, low and unstable agriculture production, and poor living conditions resulting from unreasonable utilization of soil and mono biological resources in hilly area of south Ningxia were discussed on the basis of historical materials. According to the research accomplishment in the hilly area of south Ningxia in resent 20 years, the authors put forward the major way for farming and graziery developing healthily only when grassland agriculture possessing the basic function of contending with the unstability of district ecology.
【Key words】 hilly area of south Ningxia; mono utilization of resources; water and soil erosion; agro grassland;
- 【文献出处】 草业科学 ,PRATACULTURAL SCIENCE , 编辑部邮箱 ,2000年05期
- 【分类号】S8-05
- 【被引频次】14
- 【下载频次】104