GB/T 44971-2024
ActiveSoil selenium grade
土壤硒含量等级
Application Summary AI generated
This standard defines classification grades for selenium content in soil, specifying threshold values for selenium deficiency, marginal levels, moderate enrichment, and high selenium or selenium toxicity. It is applied in agricultural land assessment, soil quality surveys, and environmental monitoring across China to guide selenium supplementation in crops, land use planning, and public health risk evaluation related to soil selenium levels.
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