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：样品,用美国ORTEC公司生产的型号为GMX50P4N型同轴型高纯锗γ探测器探测在不同土地利用方式下的土壤样品中的~(137)Cs含量,测得各土地利用类型中~(137)Cs含量从高到低的顺序为:平草地

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