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Le sorgho ( Sorghum bicolor . L) est la troisieme cereale la plus consommee en Haiti. Il est cultive dans presque tous les departements du pays y compris le Sud. Mais l’indisponibilite et de rapides augmentations du prix de l’engrais azote (uree) sur le marche local portent a s’interroger sur de possibles solutions alternatives. L’objectif de cette etude est d’evaluer l’effet de 3 types de fertilisants chimique et biologiques (dreche, uree et compost) sur les parametres vegetatifs et productifs d’une variete de sorgho ( Papesek ) dans le Sud d’Haiti. Durant la periode allant de janvier a avril 2018, un dispositif Carre Latin a ete mis en place pour tester la variete. Les donnees collectees ont ete traitees avec le logiciel SPSS. Les resultats ont revele que la masse panicule varie de 31 a 49 grammes par traitement. Le rendement en grain varie de 1,91 a 2,88 t/ha. La dreche (2,88 t/ha) a ete significativement plus productive que la parcelle temoin (p 0,05). De pareils resultats suggerent que la dreche peut facilement substituer l’uree sur les parcelles de sorgho des agriculteurs d’Haiti. © 2019 International Formulae Group. All rights reserved Mots cles: Sorgho, fertilisant, uree, dreche, compost, Haiti English Title:  Effect of three fertilizer types on vegetative and productive parameters of sorghum in Haiti English Abstract Sorghum ( Sorghum bicolor. L) is the third most consumed cereal in Haiti. It is cultivated in all districts of Haiti including the South. But the unavailability and the often increasing of mineral fertilizer price such as urea on Haitian markets incite to develop alternative solution. This research is aimed to evaluate the effects of three fertilizer types (dreche, urea and compost) on vegetative and productive parameters of one sorghum variety ( Papesek ) in the southern district of Haiti. From January to April 2018, a dispositive of Latin square (4 x 4: lines x columns) was used to test the variety. Collected data were submitted to statistical analysis using IBM SPSS. Results revealed that panicle weight were ranging from 31 to 49 grams per treatment. Sorghum grain yield results were ranging from 1.91 to 2.88 t/ha. Dreche treatment (2.88 t/ha) was significantly more productive than witness plot (no fertilization) (P 0.05). These results suggest that urea could be easily substituted by dreche as fertilizer on Haitian farmer sorghum plots. © 2019 International Formulae Group. All rights reserved Keywords: Sorghum, fertilizer, dreche, compost, urea, Haiti

Effets de trois types de fertilisants sur les paramètres végétatifs et productifs du sorgho en Haïti