Definition:
Trois paramètres doivent être pris en compte pour établir un calendrier d’irrigation:
1) les besoins journaliers en eau de la culture considérée,
2) le sol, et particulièrement son eau utile totale ou sa capacité de rétention d’humidité,
3) la profondeur effective de la zone racinaire.
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Source:
Food and Agriculture Organization of the United Nations, AQUASTAT Web Site
FAO-SAFR, 2002, Irrigation Manual Module 1, Irrigation Development: a Multifaceted Process, By: Andreas Savva & Karen Frenken