TY - JOUR AU - Robinson, Frank E. TI - Precautions in use of sprinklers for frost protection in alfalfa and lettuce JF - California Agriculture JO - Calif Agr Y1 - 1971/09/01 VL - 25 IS - 9 SP - 7 EP - 9 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v025n09p7 AB - THE USE OF SPRINKLER IRRIGATION to provide frost protection for grapes, artichokes, and strawberries is an accepted practice on many farms in California. Some precautions should be taken, however, including careful consideration of the type of sprinkler used, particularly when low application rates are utilized.