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Field Capacity

Meteobot® provides real-time information about soil moisture and the irrigation needs. You can use different types of sensors, depending on the crop type. The first type of sensors shows soil moisture as a percentage from the field capacity. Field capacity is the maximum quantity of water, which the soil can retain after it has been saturated from above and the gravitational water drains down. In practice, field capacity is reached in one or two days after abundant rainfall or irrigation. Depending on the crop type, it is considered that the optimal soil moisture is between 70% and 90% of the field capacity. In order to monitor the moisture that is available to plants, usually three sensors are installed – for example at 30, 60 and 90 cm. The sensors have to be as close as possible to the plant’s roots. In the case of drip irrigation, they have to be placed “between two droplets”, in order not to show incorrectly high values.

field capacity soil moisture sensor

The field capacity sensors used by Meteobot® do not need calibration depending on the soil type. This makes them particularly easy to install and reliable to use.

Meteobot Meteostation