I am trying to implement a simple irrigation model based on evaporotranspiration and soil moisture sensors and need to calculate the 3 thresholds above.
there are some values of these parameters which were define for each type of soil. See on the table 1 in this paper. You will find a values of FC, WP, and others parameters for each soil type.
Hello,
Following an irrigation until saturation of the surface layer (about 30 cm), the reading of the humidity sensor gives you the field capacity moisture (FC) 24 hours after the irrigation. The maximum allowable deflection (MAD) should be estimated at about 30% of the AWC (available water holding capacity - AWC - that you can estimate with FC). For an average soil (less than 8% clay) the wilting point would correspond to a sensor reading after 4 days following the irrigation without any rain or watering during these 4 days.
Best regards.
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