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En Cote d’Ivoire, la pauvrete des sols est une contrainte pour la productivite agricole. L’objectif de cette etude etait de produire un compost a base de rafles de palmier afin d’ameliorer les proprietes physicochimiques des sols pauvres en matieres organiques. Quatre traitements T0 (720 kg de rafles + 0 kg de fientes de volaille), T1 (720 kg de rafles + 200 kg de fientes de volaille), T2 (720 kg de rafles + 400 kg de fientes de volaille) et T3 (720 kg de rafles + 600 kg de fientes de volaille), ont ete compostes durant 6 mois. Les teneurs en nutriments et elements traces metalliques (ETM) dans chacun des traitements ont ete evaluees et comparees les unes par rapport aux autres. Le traitement T3 a revele des teneurs elevees en N (14840 mg.kg-1), P (6327,5 mg.kg-1), K (19930 mg.kg-1), Mg (14160 mg.kg-1) et Ca (4140 mg.kg-1) et des concentrations en ETM en deca des seuils de toxicite avec Pb : 88,5 mg.kg-1, Zn : 167,5 mg.kg-1et Cr : 58 mg.kg-1). Ce compost pourrait donc etre utilise comme amendement pour ces ferralsols marginaux dans le Sud-Ouest de la Cote d’Ivoire. © 2020 International Formulae Group. All rights reserved. Mots cles: Rafles de palmier, compost, fertilite des sols, ETM, Cote d’Ivoire English Title: Characterization of the physicochemical and chemical properties of a compost issued from a mixture of palm empty fruit bunch and chicken manure in South West of Cote d’Ivoire English Abstract In Cote d’Ivoire, soil poverty reduces agricultural productivity. The aim of this study is to produce compost based on palm stalks to improve the physico-chemical properties of sandy soils with low organic matter content. Four treatments T0 (720 kg of empty fruit bunch + 0 kg of chicken manure), T1 (720 kg of empty fruit bunch + 200 kg of chicken manure), T2 (720 kg of empty fruit bunch + 400 kg of chicken manure) and T3 (720 kg of empty fruit bunch + 600 kg of chicken manure) of mixed various quantities of palm empty fruit bunch and chicken manure were up in field for 6 months. The levels of nutrients and heavy metal contents in each treatment were evaluated and compared against each other. Treatment T3 highlights high levels of N (14840 mg.kg-1), P (6327.5 mg.kg-1), K (19930 mg.kg-1), Mg (14160 mg.kg-1) and Ca (4140 mg.kg-1) and heavy metal content below the toxicity thresholds (Pb: 88.5 mg.kg-1, Zn: 167.5 mg.kg-1 and Cr: 58 mg.kg-1). This compost could therefore be used as sandy soil amendment in the South West of Cote d’Ivoire. © 2020 International Formulae Group. All rights reserved. Keywords: Palm empty fruit bunch, compost, soil fertility, heavy metal, Cote d’Ivoire

international journal of biological and chemical sciences

Caractérisation des propriétés physico-chimiques et chimiques d'un compost issu d'un mélange de rafles de palmier et de fientes de volaille au Sud-Ouest de la Côte d’Ivoire