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AE354: Automatic Irrigation Based on Soil Moisture for Vegetable Crops

Figure 1. Details of the irrigation soil moisture interface (QIC) prototype developed at UF Agricultural & Biological Engineering Department. Here is shown retrofitted with a standard irrigation timer and solenoid valve where: A) time-based controller, B) power supply, C) Quantified Irrigation Controller circuitry, D) capacitance soil water probe (ECH20, Decagon Devices, Inc., Pullman, WA), and E) solenoid valve.

Credit: UF-IFAS ABE Rafael Munoz-Carpena