【Key words】 Soil fertility variation; Integrated evaluation; Functional evaluation; Rapidly developing region
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Principal component analysis was used to derive soil fertility variation factors.
运用主成分分析选取土壤肥力变异因子。
As a result, the research on the rules governing the variation of the soil fertility enjoys a strategic significance.
因此，对干旱区土壤肥力质量要素的变异规律研究具有战略意义。
Studied the soil fertility on south slope in Qinling Mountains, the spatial distribution and variation pattern and its relation with altitude.
对秦岭南坡土壤肥力状况、空间分异规律及其与海拔的关系进行研究。
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