HC Deb 17 May 1922 vol 154 c396W
Mr. PENNEFATHER

asked the Minister of Agriculture the results of experiments made with the use of sulphate of ammonia in place of sulphate of copper for the purpose of killing charlock and other weeds in corn crops?

Sir A. BOSCAWEN

A summary of the results of recent experiments on this subject appeared in the Ministry's journal last March, and I will send a copy to my hon. Friend.