铝土矿采面土壤化学性质及垂直变化研究

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关键词铝土矿；采面；土壤化学性质；垂直变化

中图分类号S153文献标识码A

文章编号 0517-6611（2025）23-0055-06

doi：10.3969/j. issn.0517-6611.2025.23.013

Study on the Chemical Properties and Vertical Variation of Soil in Bauxite Mining Faces

WEIShao-zhi，NONGRu-hong12，WEMao-mietal（1.GuangxiPangEologicalEnvironmentEngneringCo，Ld.aing， Guangxi 53oo;2.Experimental CenterofTropical Forestry，Chinese AcademyofForestry，Pingxiang，Guangxi532600）

AbstractObetie]Inodertonderstandanddeteietechemicalproperisofsoilinbuxitemiingfaceandtheerticalaatio pates.MetodSlsmlesereoltedfromarousdeptsdtermicalproprtsredeemindTeoelatioaalyis methodwasusedtoexplorteelatioshipetwensoillyersandchmialpropertis.Tegadeofsoilutrientcontentasdeteedby the comparative method.[Result]The results showed that the pH increased with the soil depth，positively correlating with it.In contrast，soil organicmaealrdbledieptongtgtielta and variable within O-1OO cm depth，while nutrient content in the soil layer >100 cm was low and with little change，indicating levels of below mediumanderelyfertlotalospoulbleospusotalotassndabletasfctuatditeit significantoeatlaisdleril.oivisfor ecological restoration，soil improvement and species selection and arrangement in bauxite mining faces.

KeyWordsBauxite;Miningface;Soil chemicalproperties;Vertical variation

矿产资源是人类社会发展的重要基础性资源，矿山开采是当前最大规模改变土地利用方式和损坏陆地生态系统的人类活动[1]。（剩余14406字）