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：·a,其中坡草地和平草地发生了一定程度的堆积,坡草地的堆积速率为620 t/km~2·a,平草地的堆积速率为1760 t/km~2·a。从引起土壤侵蚀的人为原因分析得知:无论地表形态是坡地还是平地,不管是

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