Irrigation in the Pacific Northwest

Irrigation Management Calculators


Irrigation Frequency: maximum interval allowed between irrigations. This is dependent on soil type, root zone depth, and the water use rate of the crop.

Set Times: set time required to fulfill a given water application, irrigation area, and flow rate.

Water Depth: Depth of water applied to a specified area over the specified time span based on the given flow rate.

Water Application Rate: Application rate using the flow rate on an area.


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WSU Prosser - IAREC, 24106 N Bunn Rd, Prosser WA 99350-8694, 509-786-2226,