Accumulation, temporal variation, source apportionment and risk assessment of heavy metals in agricultural soils from the middle reaches of Fenhe River basin, North China.

RSC Adv · 2019 · PMC9066512 · PMID 35518884

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an increasing trendno p-value reported

The contents of most HMs (except As) exhibited an increasing trend before 2015 ( Table 5 ).

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a decreasing trendno p-value reported

The HQ values presented a decreasing trend for both adults and children as follows: As > Pb > Cr > Cd > Ni > Hg > Cu > Zn.

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