Show plane to spread poison to kill sudan locusts london after two years of labora tory investigations and field trials 11 H king formerly chief entomologist of tie tle sudan government has sailed for northern rhodesia with a special airplane designed to d clouds of poison dust for the destruction of swarms of locusts the poison to be used is finely ground sodium king ring is tak ing three tons which have been dally ground by a british chemical company it has been established that the dust Is fatal to the locusts and yet harmless to vegetation animals and human beings the royal aircraft establishment after unsuccessful attempts to utilize the ordinary bombing plane finally de signed an apparatus for discharging the dust from the wings rings of a plane in such a way that the aviator does not hae hane to breathe it |