Maybe that is why they built the drones cause the applicators all died. Not really funny. But back pack spraying is just not done any more is it??? Cause it would result in billions times more injestion.
http://dimsums.blogspot.ca/2014/04/how-china-grows-non-gmo-wheat.html
http://dimsums.blogspot.ca/2014/04/how-china-grows-non-gmo-wheat.html