a residual impact it may take years for your cancer risk to be reversed if at all. just a day with another kind of substance abuse. looking at these images you might think wait. well yes that. we're going to look at quite a different kind of wheat. the kind you don't want a new field and this was super weeds which of development assistance to have a site one culprit is slender foxtail or black cross it's proven a nightmare. this is weed control the easy way blanket spraying fields with herbicides for twenty years that's been an integral part of the job for a farmer function to it but using all those chemicals has come at