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another chemical used that has some issues is atrazeen..used in crops of canola as there are strains of canola that is resistent to it...there is quite a list of dangerous chemicals used in agriculture, and if you think glyphosate(or roundup) is dangerous then consider this, "glyphosate is very safe compared to most herbicides and insecticides used in agriculture"...
all these chemicals do damage to the environment in some form or another, some are leached into streams and leached into sub soils..ok some do evaporate into the atmosphere, and others have a very short active state, but at the end of the day most of these chemicals if not used correctly, will cause the insect or weed to become resistant to them then the agricultural industry has to devise a more dangerous chemical to replace them...now how many are still present in the crops when we recieve them...
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