It will be important for growers who use water for frost protection to utilize best management practices in order to conserve water and decrease impacts on stream flow. This is critical if growers are to avoid fish strandings during frost events and the regulatory penalties under the Endangered Species Act.
Growers will only need to contact Ag Commissioner’s office if a change to the frost protection system or owner/operator occurs.
Information for growers will be posted here to keep you informed this frost season.
Recent rainfall has alleviated the need for early irrigation initiation. Avoid the temptation to begin irrigation, as vines will become accustomed to the easily-extracted irrigation water once it becomes available. Let them use stored water reserves in the soil for as long as possible before initiating the irrigation “season”. Premature irrigation initiation can result in cane lengths that need hedging and lateral shoot initiation that increases the costs of canopy and disease management.
Growers need to continue conserving water this fall. Mark Greenspan, Advanced Viticulture, suggests the following Best Management Practices for water conservation as harvest approaches.
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