Show NICOTINE SULPHATE IS LESS EXPENSIVE dusting found effective in controlling pests insects hard to reach with ordinary sprays spray caught by floating dust settling on under side of the leaves prepared fic pared by the lie united states depart 0 nent of 0 to the arrow lr ii iro row ul of some file 11 of if the jit tf s let act pests hichi e 1 I feed un oil tie taie under baile 1 de of allo 11 t leaves anil and so escape the effect of poison ion sprays the lie bureau of entomology united states sinks department of if agriculture lius been conducting expel linens vt with nicotine sulp late liate ap piled in dust dt funn form ill fixed aed with knollin kaolin to klic the poison bulk 40 per cent strength ali otine qui dill did rei remark nark ulli burk in controlling melon cab bilge and rea pen onion find and Mel melteris teril beetles all ase 11 se hand dust guns are effect effective on small areas insect posts pests are hard to reach with sp but the floating dust settles upon the under side of the leal leines es a us c el I 1 it ns s on the surface the pill shuw how that much larger areas run till lie be treated in less time than Is ili b by api abing aying Alore over the equipment necessary to apply the dust Is much expensive es enle than a spray sarny outfit find its cost of application Is less leh than by the older method it clelis less than linn spray find Is more comena fitly it can call he be mixed inith arsenate ari enante of lead eat or sulphur for use against insects and fungous dison rs |