Le riz occupe une place importante dans la vie quotidienne des nigériens. C’est un aliment de base fortement consommé par les ménages en milieux urbains et ruraux. Cependant la riziculture doit s’adapter à la variabilité climatique pour satisfaire les besoins en consommation de la population, d’où la proposition des nouvelles pratiques de production durable. L’objectif général de la présente étude est d’évaluer les systèmes de cultures rizicoles dans les périmètres irrigués de la commune de Diffa, le bassin de la Komadougou. Ainsi, L’étude a été conduite auprès d’un échantillon de 40 producteurs choisis de manière aléatoire sur le site de la Komadougou afin d’évaluer la productivité des systèmes des cultures pluvial (SCP) et irrigué (SCI) pratiqués dans la commune de Diffa. Ce dans ce contexte que la densité de repiquage et le rendement de la variété GAMBIAKA ont été étudiés. Ainsi, l’analyse de la variance montre une différence significative entre les paramètres de rendement du système de culture pluvial et du système de culture irrigué. Pour le système de culture pluvial, le rendement moyen par hectare est de 1,68 t. ha-1 tandis qu’il est de 4,14 t. ha-1 pour le système de culture irrigué. La densité moyenne de repiquage/m² est de 30,76 et 16,82 plants/m² respectivement pour le système de culture pluvial et le système de culture irrigué. La marge nette des producteurs est de 739100 et 206200 FCFA/ha respectivement pour les systèmes de cultures irrigués et pluviales. Le taux de rentabilité interne moyen TRI est de 0.68 en système de culture irrigué SCI et 0.37 en système culture pluvial SCP. L’analyse de rentabilité économique montre que les deux systèmes de culture SCP et SCI pratiqués sur le site d’Aménagement Hydro-Agricole de Komadougou sont rentables. Le système de culture irrigué SCI peut être proposé aux producteurs comme alternative durable à l’amélioration des rendements et à l’augmentation des revenus des ménages dans un contexte de changement climatique.
ANALYSE DE LA RENTABILITÉ ÉCONOMIQUE DES SYSTÈMES DE CULTURES RIZICOLES DANS LES PÉRIMÈTRES IRRIGUÉS DE LA COMMUNE DE DIFFA
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Country:
Niger
Volume & Issue:
Volume 06, Issue 09, September 2024
Page No:
6984-6987
Abstract:
KeyWords:
Riz, Système de culture, Coûts de production, Productivité, Rendement ; Rentabilité économique.