土壤形成 [土壤] soil formation ; pedogenezis ; soil development ; soil forming
土壤成分 soil constituent ; composition of soil
成熟土壤 [土壤] mature soil ; ripening soil
成壤过程 pedogenic process
土壤形成过程 [土壤] soil-forming process ; soil forming processes
土壤成因学 [土壤] pedogenics
合成土壤改良剂 synthetic soil conditioner
土壤组成 soil constitution
土壤成份 soil constitution ; Constitution soil ; Soil Element ; soil constitution west bank
第8层古土壤特殊的厚层淀积代表了气候的多次变化和多个成壤期。
The thick illuvial horizon in the 8th paleosol layer indicates the repeated soil-forming processes and climate changes.
然而，黄土高原中部大多数剖面由于沉积速率较低(特别是S1地层)，加上后期强烈的成壤作用和淋溶作用可能影响其气候记录。
But, low sedimentary rate in many profiles, especially in S1, and following strong pedogenesis and eluviation would have effect on those climate records.
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