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Le systeme de Riziculture Intensif (SRI) constitue un ensemble de bonnes pratiques agricoles qui peuvent ameliorer le rendement des producteurs. Ainsi, une etude au Burkina Faso a ete conduite dans 2 plaines irriguees pendant l’hivernage 2013, afin d’apprehender la contribution du SRI dans l’amelioration des rendements et des conditions de production des riziculteurs. Deux parcelles (traitements) ont ete mises en comparaison dans le champ de chaque riziculteur. L’une comporte le SRI et l’autre les Pratiques Habituelles des Riziculteurs (PHR). Des mesures ont ete realisees pendant quatre periodes d’observation, pour evaluer le tallage, les degâts (coeurs morts, galles et panicules blanches) des populations pre-imaginales des principaux insectes nuisibles du riz et le rendement. Une enquete d’evaluation de la rentabilite economique en fonction de la gestion de la culture a ete aussi realisee. Les resultats montrent la problematique liee a la mise en oeuvre du SRI et son opportunite chez les riziculteurs. Une adaptation du SRI aux realites socio-economiques et agroecologiques des riziculteurs pourrait appuyer sa promotion et ameliorer les rendements. © 2016 International Formulae Group. All rights reserved. Mots cles: SRI, pratique habituelle du riziculteur, rentabilite economique, insecte depredateur du riz, rendement English Title: Implementation problematic of system of rice intensification in rice irrigated fields in Karfiguela and Kou valley, Burkina Faso English Abstract The Intensive Rice Production System (SRI) is a set of good agricultural practices that can improve the yield of producers. Thus, a study in Burkina Faso was conducted in 2 irrigated plains during the winter of 2013, In order to understand the contribution of the SRI in improving rice yields and production conditions. Two plots (treatments) were compared in the field of each rice farmer. One includes the SRI and the other the Usual Practices of the Rice Farmers (PHR). Measurements were made during four observation periods to assess tillering, the damage (dead hearts, galls and white panicles) of the pre-imaginary populations of the main insect pests of rice, and yield. A survey was also carried out to evaluate economic profitability as a function of cultural management. The results show the problems associated with the implementation of the SRI and its opportunity for rice growers. An adaptation of the SRI to the socio-economic and agro-ecological realities of rice farmers could support its promotion and improve yields. © 2016 International Formulae Group. All rights reserved. Keywords: SRI, usual rice farmer practice, economic profitability, rice insect pest, yield

international journal of biological and chemical sciences

Problématique de mise en oeuvre du système de riziculture intensif dans les périmètres rizicoles irrigués de Karfiguéla et de la vallée du Kou au Burkina Faso