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阜蒙县乡镇域土壤N、P、K的空间变异性分析 被引量:1

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摘要 以阜蒙县建设镇为研究区域,采用传统统计学和地统计学相结合的方法,对该区域内粮田土壤中土壤养分的含量和空间变异特征进行研究,通过克吕格方法进行空间插值作图。结果表明,不同土壤养分的变异情况各不相同,P的变异系数最大;土壤各养分与高程呈负相关趋势,随高度的增加,其含量减少;各元素呈高度空间相关性,具有一定的渐变性分布规律,这一基本趋势对土壤养分分区管理是有利的。
出处 《辽宁农业科学》 2009年第4期12-16,共5页 Liaoning Agricultural Sciences
基金 十一五国家科技支撑计划(2008BADA41306)
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