| Show MORE THOROUGH SPRAYING WITH PRESSURE NEED IN DRENCHING TREES many fruit gro were la the state elate are using asing insufficient pressure pres surie and not enough material on each tree to 9 get et best results in 1 test pest control according to P al coed assistant ihor of the utah experiment station elation three hundred pounds pressure should be had where g guns uns ana ame used without this pressure pr esaure the tops topa of tall trees are seldom thoroughly with the tins fine quality most effective im insect control pressure ean can be increased la in most moat baray outfits by reducing educing the th size BUS of tho the openings ia a the disks used or using ushia fewer nozzles or guns A slight over flow should be maintained with the guns open otherwise pressure and quality ot of the spray drops and lowered efficiency fiffi cleacy results fromi from five to six galloni pw pan minate pump capacity should be allowed for each guini un arid and about halt hall that for each rod outfits of this capacity which includes most daples oris plex inachin with less than two horsepower engines should be operated with one gun with a disk aperture of 0 7 61 64 inch 10 0 o 18 1 8 inch in aitu size bizo one active man with such a gun can handle bandle five gallons per efficiently wad and will do as much work as two with smaller guns or rods and do it better bettea and cheaper with this volume of spray the operator can drench the top with a fine mist spray sinco ainoa this volume and pres eune bum gives the spray IW sias aad carrying power fruit and leaves should be dexy thoroughly wet and dripping before the trea leei Is lett with plenty of volume a Is much less apt to slight a tree than where a longer wait is required bei because cause of low output tram from the nozzle spray gun guin operators opera tora should constantly change their gun adjustments when spraying up and down dow li the trev tree the wide shore range spray should be used oni on the th lower branches and tibe bhe tine fine narrower ower spray on the upper branches wide open fire house type ot of stream dream should never be used as it Is wasteful and ineffective in choosing spray equip equipment meW growers should demand six gallon per minute capacity tor for each gun they wish to operate pounds pressure and at least three horsepower tor for each sun gun mr goe coe advises in addition automatic pressure control accessible valves truck and an engine light in weight in ro elation to its power ar are e desirable d features |
