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Effective frost protection methods exist, however, each year, a portion of the state's fruit and vegetable crop is lost to low-temperature damage. This leaflet explains the principles of frosts and freezes and provides information on protection methods.
The decisions of when to turn an irrigation system on and off for frost protection are complex and difficult. This guide presents a procedure to follow in making these decisions. This guide is based on the assumption that you have completed certain tasks prior to the night of the decision making. These tasks encompass important planning decisions that are made well ahead of the frost season.