illuviation
illuviation[ɪˌl(j)uːvɪˈeɪʃ(ə)n]noun- [mass noun](Soil Science)the introduction of salts or colloids into one soil horizon from another by percolating water
(土壤学)淀积作用
派生illuvialadjectiveilluviatedadjective语源- early 20th cent.: from il- 'in' + -luvial (on the pattern of alluvial) + -ation
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