草地生态系统氮循环研究进展  

Progress on the Nitrogen Cycle in Grassland Ecosystem

作　　者：刘淼[1,2,3] 梁正伟[1,3] 

机构地区：[1]中国科学院东北地理与农业生态研究所,吉林长春130012 [2]中国科学院研究生院,北京100039 [3]中国大安碱地生态试验站,吉林大安131317

出　　处：《中国草地学报》2010年第5期91-96,共6页Chinese Journal of Grassland

基　　金：国家科技部"973"项目(2007CB106800);中科院西部行动计划(KZCX2-XB2-13);国家科技支撑项目(2007BAD65B02)

摘　　要：综合国内外研究现状,对草地生态系统N循环过程、N素添加、N的环境影响因素、盐渍化与N相关性的研究现状及进展进行了综述,并对存在的问题和前景进行了分析和展望,旨在充分发挥草地生产潜力、探索其适应性管理措施,为寻求效果最佳、成本最低、耗时最短的盐碱地改良方法提供理论依据。Research progress and status of grassland nitrogen cycle,nitrogen addition,environmental impact factors and the relationship between saline-alkali and nitrogen were summarized on the basis of comparison and analysis of domestic and international studies.The problems existed in current researches were reviewed and the future researches were prospected aiming at exploiting the potential productivity of grassland,exploring the adaptive management measures,providing theoretical basis for seeking most effective,lowest cost,least time consuming on saline-sodic soil amelioration.

关 键 词：草地 N循环 盐碱化 N素添加 环境影响因素 

分 类 号：Q948.1[生物学—植物学]