Professor, you mentioned BT, I assume your talking about Bacillus thuringiensis? From what I've been reading the past couple of years is that this stuff is a true nightmare in the making. From the way I understand it is that BT works by constipating the insect resulting in no poopies for it and causing it to die. The problem is that the harmful insects that BT targets are part of the food chain. Other critters ingest the treated bugs and experiance the same same results, no poopies. In third world countries where BT is allowed(yes, here in the U.S as well) , the chemical make-up of BT is now beginning to show up in humans and you guessed it, no poopies. Digestive tracts in humans are getting compromised and companies that produce BT(monsanto) are in full denial. Crops that use Bt are crossing over into crops that don't use it and are being contaminated at alarming rates. Insects that help farms are being found dead in huge numbers and the companies are all in denial, and there are still unknowns about BT to yet surface down the road. Not good to mess with mother nature imo.
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