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We split the different elements of your water balance into colored zones for an easy reading of the risks on your crops.

To understand the calculation behind the water balance:

The graph shows the Total Available Water (TAW) of your soil - indicated in y-axis.

It is divided into two parts: a green and an orange part. This is the boundary (brown line) between the Readily Available Water (green) and the water that is more difficult for the roots to access (orange).

🟡 Yellow line = Water available in the soil (mm)

This line represents the total amount of water available after taking into account the effective rainfall and the irrigation you have made.

Available Water (day n) = Available Water (day n-1) + Pe + Irr - ETc

🟢 Green zone = Readily Available Water (mm)

This zone is the reserve that is easily accessible to the plant.

It corresponds to the volume of water that the soil is capable of holding and that can be returned to the crop.

It is expressed in mm and is established on the basis of the textural properties of the soil (your soil type).

The RAW is defined as 2/3 of the TAW in sandy and loamy soils and ½ of the TAW in clay soils.

🟠 Orange zone = Reserve difficult to use

In this zone, the plant enters potential water stress.

Without water, it decreases its evapotranspiration activity to conserve its energy and survive.

Without a water supply, it will reach a point of no return: the wilting point, where the capillary retention force exceeds the maximum root suction force.

🔵 Blue bar = Rainfall

The blue bars represent the rainfall recorded by your Raincrop.

However, only a part of this rainfall is actually taken into account in the calculation, these are the effective rainfalls.

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