Reply To: Avoiding heavy metal accumulation in hemp

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Cullom
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You need to have your soil tested first for the presence of metals. Any land that has been heavy farmed commercial is likely to have elevated level of cadmium and lead from pesticide and synthetics The PH of the soil comes into factor. There Lower PH the more likely Plants are to absorbed heavy metals. Liming your soil and adjusting the correct PH provided calcium and magnesium can reduce the stress of the plant and possibly lessen the heavy metal uptake of through the roots.

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