Show miscible oil must be thoroughly emulsified with miscible oils and various oil emulsions manufactured from kerosene and the heavier mineral oils it is necessary that an emulsion of good quality be prodded pro dued in order that the alie oil may be dispersed uniformly through the 11 diluted spray if the oil separates out injury to tile the tree may ensue two types of emulsion are available one in the oil is emulsified with soap and cresilia cre acid ricia or soap alone the other a emulsion in which the oil is dispersed by means of casein or sol some no other protein agent the latter may be termed a quick breaking type and may ile he expected to give more trouble than the other |