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Show I KIDDING THE LIND OP WILD MORXIXG GLORY. The Utah Agricultural Experiment Station has just received from the press Bulletin No. 1S9 entitled "Ridding "Rid-ding the Land of Wild Morning ,Glory". This publication is by Prof. George Stewart and Prof. D. W. Pitt-man Pitt-man and reports the results of an experiment ex-periment to determine the most effective ef-fective way to control or exterminate extermin-ate the wild morning glory. It was .found that sprays were ineffective in killing the roots in this arid climate and that frequency of treatment, either by spray or cultivation was the most important factor in controlling control-ling the weeds. The various methods tried were as follows: (1) spraying with sodium arsenite in three different dif-ferent concentrations and at varying vary-ing intervals of time. (2) cultivation, cultiva-tion, both deep and shallow, at varying vary-ing intervals of time. (3) shading the land with thickly planted crops of sunflowers and corn and with straw stacks and building papers. (4) pasturing with sheep and hogs. As a whole cultivation was better than spraying; shallow cultivation was as good as deep cultivation; fre-,quent fre-,quent cultivation was essential to success; and pasturing and shading were only partially successful. This publication is available for free distribution, and may be had by asking for Bulletin 1S9 "Ridding the Land of Wild Morning Glory". Address communications as follows: Publications Division. Utah Experiment Experi-ment Station. Logan. Utah. |