Characterization of agricultural drought in semi-arid zones. I. Description of a simple assessment model applied to cultivated groundnut in Senegal.
La caracterisation des formes de secheresses agronomiques constitue l' etape prealable indispensable dans la realisation d' un programme d' amelioration des rendements en zones semi-arides. Dans le cas de l' arachide cultivee au Senegal, un modelesimplifie associant les concepts d' evapotranspiration et de bilan hydrique a des donnees elementaires sur la reponse des plantes a la secheresse a ete developpe. Apres une presentation de ce modele il est montre qu' il permet d' effectuer une simulationsatisfaisante du bilan hydrique de cette espece constituant ainsi un outil performant de diagnostic des types de secheresse.
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Main Authors: | Annerose, D.J.M 42777, autor. aut, Diagne, M. 42778. |
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Format: | Texto biblioteca |
Language: | ng |
Published: |
©199
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Subjects: | Accidentes atmosféricos., Arachis hypogaea., Arachis., Balance hídrico., Desarrollo biológico., Evapotranspiración., Leguminosae., Modelos., Papilionoideae., Sequía., Zona semiárida., Zonas climáticas., |
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