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基于测土配方项目的陇南市武都区耕地土壤碱解氮分析

Information of Agricultural Science and Technology(2019)

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Abstract
通过测土配方项目实施土样采集与检测,利用ArcGIS软件平台,在陇南市武都区耕地资源管理单元图上运用普通Kriging插值法,得出武都区耕地土壤碱解氮的分布情况.结果表明:耕层土壤碱解氮对应省级五、六级在区内分布面积大,行政分布北部和东北部较高,大约在180~230 mg/kg,高山地貌碱解氮平均含量最高,为116.3 mg/kg,最高的土壤类型为山地草甸土,平均含量167 mg/kg.
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