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Hi. I just found this thread. Thanks for the information.

I’m wondering: Aside from the “evapotranspirational” calculations and weather prediction approaches, are there not solutions that rely on using moisture detectors placed in various parts of a garden to determine if watering is needed or not? If you recommend this approach for some situations, and also recommend particular hardware, I’d be interested in your comments.

It seems to me that direct moisture measurement (eg via say a device calibrated to measure electrical resistance in the soil) would be quite effective in stopping or reducing sprinkler activity during the a rainy period.

Thanks in advance.