What is WHO's acceptable standard limits for heavy metals in agricultural soil?

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Virendra Kumar Saxena

WHO permissible limits for soil is 0.056 kg m -3(Ti), 0.085 kg m -3(Pb), 0.100kg m-3 (Cr) and )0.036 kg m-3 (Cu)

Saroj Kumar Khan

https://www.researchgate.net/publication/320412986_Agroecological_Responses_of_Heavy_Metal_Pollution_with_Special_Emphasis_on_Soil_Health_and_Plant_Performances/figures?lo=1

Wakjira Tesfahun

Check my recent article or inbox me I will provide you with other standards including WHO.