甘肃农业大学农耕特色库

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基于~（137）Cs技术的中国北方农牧交错带土壤侵蚀研究: 作者： 姜洪涛 来源： 内蒙古师范大学 年份： 2010 文献类型： 学位论文 关键词： 土壤侵蚀农牧交错带 ~Cs 示踪; 描述： ttention, but also agriculture and eco-environmental sustainable development important problems. Farming-pastoral Transitional zone in north China, as our county returning farmland to forest and returning cropping land to grassland are the focus areas, natural environment and socio-economic conditions shown a clear transition characterized by the transition zone of the interpenetration and staggered distribution of agriculture and animal husbandry, which is curbing desertification important ecological barrier, but also ecologically fragile belts.; 全文：、平耕地、坡灌丛地、退坡耕地、果耕间作地、坡林地、坡耕地、坡草地;大同各种土地利用类型中~(137)Cs含量从高到低的顺序为:平草地、坡草地、平林地、坡耕地、平耕地、坡灌丛地。依据背景值确定原则

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