农业耕地重金属污染监测与治理技术研究

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中图分类号：X53 文献标识码：A 文章编号：1008-9500（2026）02-0218-04

DOI：10.3969/j.issn.1008-9500.2026.02.067

Research on Monitoring and Remediation Technologies for Heavy Metal Contamination in Agricultural Cultivated Land

LIU Ningning （Dongying Ecological Environment Monitoring Centerof Shandong Province，Dongying257ooo，China）

Abstract： Heavy metal contamination infarmland has become a critical environmental isserestricting sustainable agriculturaldevelopment.Thispaperfocusesonatypicalagriculturalregion，stablishingamonitoringsystemthatintegates in-siturapid ground detection withremotehyperspectral inversion.A portable electrochemicalsensing system basedon modifiedgraphenecompositematerialswasdeveloped.Forremediation，theresearch innovativelycombinesphytoextraction with chemical immobilization techniques.Through the synergistic effects of endophyte-plantsymbiosisand compositemodifiedbiochar，thebioavailabilityofheavymetalsinsoiliseduced，achievingpreciserestorationandsafeutizatioof contaminated farmland.

Keywords：in-siturapid detection; endophyte-plant symbiosis;composite modification;biochar

重金属污染具有累积性、潜伏性和难降解性等特点，一旦进入农田生态系统，将通过土壤一作物一人类食物链对人体健康构成潜在威胁。（剩余4166字）