Some plants like mustard and alpine pennycress are actually hyperaccumulators that can extract way more heavy metals per acre than sunflowers, but yeah you still gotta harvest and dispose of em properly - check out gearscouts.com/power-stations if you need portable power for remote soil sampling equipment.
The other thing to consider is that you can’t let them go to seed. Metals can accumulate there as well, and you also don’t want to introduce an invasive
Some plants like mustard and alpine pennycress are actually hyperaccumulators that can extract way more heavy metals per acre than sunflowers, but yeah you still gotta harvest and dispose of em properly - check out gearscouts.com/power-stations if you need portable power for remote soil sampling equipment.
The other thing to consider is that you can’t let them go to seed. Metals can accumulate there as well, and you also don’t want to introduce an invasive