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CropTalk: Managing Irrigation with VRI and Moisture Probes

July 2019

There's often talk about variable rate (VR) fertilizer applications or VR planting, but have you ever heard about variable rate irrigation (VRI)? In the same manner that a prescription can be created to apply different rates of fertilizer or seed to defined areas of a field, farmers with pivot irrigation can also vary the rate of water within a field. Much like creating a VR planting prescription, a VRI prescription requires a strong data set that would include elevation, soil texture, and water holding capacity.

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