Show TIMELY REMARKS ON SPRAY preparation power pump should be used if best results are expected high pressure needed the following timely remarks are ar taken from 0 a letter sent out to super intendente of ohio state institutions by S W moore horticulturist of the ohio board of administration the power pump Is the pump to use it if results are wanted the ment used at some of the institution by those in charge of the work ho hn been that there Is plenty of hal hai power or labor power and it Is economical nomi calto to use it this sounds well but it if the practical were consulted he would say that the hand pump aside from the labor of running it Is an expensive proposition as it Is almost impossible to maintain the pressure necessary effectively and economically to cover all parts of the tree or plant an and d when all parts are not covered the application will count for little su success c cess depends first upon ahe he material used second upon the application which means thoroughness the thoroughness that Is necessary can only be obtained with a heavy pressure all the time not or am p pounds for awhile then 75 or so 60 pounds such a pressure will not force the liquid into all the cracks and crevices and where some are missed scale and fungous diseases will be found lurking ready again to take possession of the plant as soon as weather conditions are favorable it if anything Is to be done along this line it Is time the spray outfits were ordered spray material should be on the way soon as the clean up or dormant spray be applied before growth begins this Is true tru of either tree or vine |