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rare-earth-elements

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Rare-earth elements (REEs) are a group of 17 metallic elements — the 15 lanthanides plus scandium and yttrium — that occur naturally in soils and are taken up by plants in trace amounts. Although long considered biologically inert, emerging research suggests REEs can influence plant growth, enzyme activity, and stress responses, with some studies showing stimulatory effects at low concentrations. Understanding how plants absorb, accumulate, and respond to REEs is increasingly important as these elements become more prevalent in agricultural soils due to industrial activity and fertilizer use.

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