It’s important that you collect the type of soil you’ll be measuring in your study.Ģ) Sieve out or manually remove any rocks, plant material or non-organic material from the samples.ģ) Dry the soil samples – The most efficient way to do this is in an oven. Individual calibration may be required in some situations.ġ) Collect soil samples from a representative area and depth. It’s also worth noting at this point that soil moisture sensors are likely to have different sensitivities, even within sensors of the same model. ![]() ![]() These are typically derived from a generic soil calibration, which is likely to be different to the soil in your study area. Most soil moisture sensors are delivered with analogue output and a calibration table, or digital output (SDI-12 for example) with a % VWC output.
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