Soil water attributes
Soil profile is saturated
and still draining—crop
uses readily available
water
Soil profile stopped
draining—crop uses
readily available
water
Decline of readily
available water—onset
of reduction in crop yield
and/or quality
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Programmation de l'irrigation en fonction des données du Diviner 2000
Soil water drying cycle over
total soil water storage in
mm in the crop's root zone
Phase 1
Phase 2
Phase 3
Onset of stress
T im e
Figure 16—Phases d'extraction de l'eau du sol
Partie 1—Console d'affichage Diviner 2000 et sonde
Soil water change
ABN 78 007 916 672
Drained upper limit (DUL)
Readily
available
water
capacity
(RAWC)
Permanent wilting point
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