NaturalFarmer
Well-Known Member
3.1. Role of Plants in Remediation of Arsenic
Plants require an adequate supply of all nutrients, as part of normal growth and development [58], including arsenic, for their normal physiological and biological functions.
https://www.hindawi.com/journals/tswj/2014/921581/
The reasons why plants accumulate and metabolize arsenic are considered in an evolutionary context.
https://nph.onlinelibrary.wiley.com/doi/full/10.1046/j.1469-8137.2002.00363.x
People need arsenic too, but like a tiiiiiiny amount. Some elements are purely toxic to us though, such as mercury.
I wish there was more cannabis specific research, but rest assured, that it can and does absorb heavy metals.
I didn't mean that they don't uptake it at all, just not enough to be of a concern. If we were growing rice it would be a different story. Cadmium is different though and is taken up much easier.
As I said before exposure is the big issue with lead not uptake. Crops exposed to soil (roots and tubers) or closer to the soil (leaf veggies) get high concentrations.