Those would be the ones I mentioned above I suspect then. Poppy fields certainly exist (or at least existed) around those environs anyway.
..... all chopped up nice and fine, and full of kilowatt-hours of PE. About the perfect stuff to burn in a coal-fired power plant.Pharma companies work long time ago processing poppy straw, that is, harvesting the whole plant. Leftovers as far as I know, are not used in any way (sure not for the electrical power companies). Think of it, it would be a mess of vegetal material stuffed with chemicals.
There are big opium crops growing in several locations in the UK - no armed guard whatsoever. If you can find them then you can chow down.
Vaped I just get heavy sedation, no euphoria, I don't think what we get is meant to be smoked, just eaten or made into tea.
