Show HOW TO CLEAN FROM SPRAYERS It is NOT safe or jn to use the same sprayer equipment for weed and then to use it for Insect control states Robert S. County Agent at Unless a VERY careful and properly carried out cleanup job is done of the equipment following use of 1 type plant injury may be produced when susceptible crop plants are later sprayed with the r When George Knowlton at the Utah State Agricultural lege was asked his on spray-i he is better and safer to have one sprayer just for weeds and another for of insects and plant Then it will not have to be cleaned so carefully each time before spraying other Use of equipment for weed control ONLY is the best practice by To you who use orchard or other types of larger spray equip-p ment for spraying with the first thing to be done is to f thoroughly flush the equipment with plenty of fill the tank with water and add two pounds of washing soda or soda I ash per gallons of The soda ash is more but is somewhat corrosive to i Soda ash is approximately a mixture of lye and washing Wash inside of the tank thorough- ly with this running some through the pump and making sure that the solution goes through all the All lines must be thoroughly washed this f mixture in the tank for 8 to 12 Wash out the hose and nozzles again with the soda ash then run fresh water through the all the i hoses and After that rinse out thoroughly with more t fresh Another method calls for use of activated This is avail-i able It is faster but more The usually f can be removed rinsing the spray- er for about two minutes with a 1 per cent solution of activated Always follow this with a thorough rinse in clean For hand spray equipment as a where the cost factor is not so important household ammonia is handy to Rinse the equipment well with fresh water after spraying with D. Fill the spray equipment with the ammonia one-half cup of ammonia to 3 gallons of Let the M ment soak for 18 to 24 S Always spray some of this mixture through the hose and the at the beginning and end of the soaking As a safety when time permits we may be fairly sure that all of the is out of the sprayer if we fill the tank with clean water and spray a few seed lings of very sensitive Beans or tomatoes are good If the plants are not affected within a day or the equipment is more than likely safe for further |