Impact of water stress on development

In order to account for the effect of water stress on development, WARM_WL estimates a water stress development factor (WSDF) starting from the water stress index as follows:

WSDF = 1 + ((1 - WS) * DSWS)

Where WS is the water stress index and DSWS is the Development susceptibility to water stress (0: not susceptible).

WSDF is then used to correct the accumulation of thermal time in the period emergence-flowering.

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