The results in this study recommed that the length and gradient of the slope should be considered in the soil nutrients management on sloping land.
因此，在坡地土壤养分调控中必须综合考虑坡度和坡长因素。
Geostatistics; GIS; Soil nutrients; Spatial variability; Regionalized management; Microelements.
地统计学；GIS；土壤养分；空间变异；分区管理；微量元素。
Optimum management of the cycle of soil organic matter and nutrients has important roles for developing sustainable agriculture and promoting environmental safety.
土壤有机质和养分循环与优化管理对农业和环境具有重要意义。
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