Efficient Sand Integration

Soil Moisture Monitoring in Sand

TDR probe in the top 150mm of the soil

TDR probes

TDR devices are calibrated for sand and connected to loggers to record percentage soil moisture. (TDR stands for Time-domain reflectometry, but that’s not important) Thirty centimetre long TDR probes placed at different depths record soil moisture on a datalogger. The data is then graphed to show what is happening in the root zone. TDR probes are robust, require the lowest level of maintenance and can also be automated to display the data on a computer.

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