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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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丹江中游典型小流域土壤总氮的空间分布
DOI: 10.11821/xb201211011, PP. 1547-1555
Keywords: 土壤总氮,地形,土地利用,丹江流域
Abstract:
在丹江鹦鹉沟小流域,利用网格状取样和典型样地取样相结合的方法,进行土样采集,共计采样点268个,测定土壤0~40cm的总氮含量。应用传统统计学和地统计学的方法,对不同深度下土壤总氮含量进行分析。结果表明土壤总氮含量随土壤深度的增加而降低,不同土层间土壤总氮含量存在显著差异(P农地>草地,分别为0.343、0.299和0.289kg/m2。
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