山区茶园土壤-茶叶中重金属污染及迁移特征研究

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文章编号：1674-6139（2026)04-0095-05

中图分类号：X53文献标志码：B

Study on Heavy Metal Pollution and Migration Characteristics in Soil-Tea Systems of Mountainous Tea Plantations

Shao Zongqing，Wang Huajian，Wang Guangjun，Cheng Jianming，Yu Shufang (Chun'an Agricultural and Rural Development Service Center，Hangzhou 3117OO,China）

Abstract:Duetotecomplexparentmateralofsoils,severesoilrosionandimpropruseoffertlersandpesticides，otain ousteaplantationsfaceissofeavymetalaccumulationndteaualtyonces.Tisstudyivestigatesheavyetalpoltioadmgrationcharacteristicsinthesoil-teasstem.Fieldsamplingandsamplepretreatmentwereconductedtodeterineheavymetalcocentrationsandcalculateboththepollutionload indexand migrationcoeficients.Results indicatethatAs,Ni,Cd,and Hg are the main heavymetalpolutantsintherea，withhigherconcentrationsbservedinteesteChina,eachingmedumpllutionlevels.Teigration coefficients followed the trend of soil-to-root > soil -to- stem > soil-to-leaf,suggesting that heavy metals are more readily transferred from soil to plant roots and subsequently transported to stems and leaves.

Key words;mountainous tea plantations；heavy metal pollution；migrationcharacteristics；migration coeffcient

前言

在山区茶园发展中，土壤与茶叶质量安全问题受到关注。（剩余5632字）