I learned it long ago so nothing so comprehensive. Compare the LD50 of copper sulfate (organic pesticide) and glyphosate (Roundup). "The LD50 for copper sulfat

I learned it long ago so nothing so comprehensive. Compare the LD50 of copper sulfate (organic pesticide) and glyphosate (Roundup). "The LD50 for copper sulfate is 30 mg/kg in rats" http://pmep.cce.cornell.edu/profiles/extoxnet/carbaryl-dicrotophos/copper-sulfate-ext.html http://pmep.cce.cornell.edu/profiles/extoxnet/carbaryl-dicro... "The acute oral LD50 in the rat is 5,600 mg/kg." http://pmep.cce.cornell.edu/profiles/extoxnet/dienochlor-glyphosate/glyphosate-ext.html http://pmep.cce.cornell.edu/profiles/extoxnet/dienochlor-gly...