scholarly journals CHEMICAL SOIL FERTILITY DIAGNOSIS FOR COTTON CROPPING IN NORTHERN COTE D'IVOIRE

Author(s):  
L. B. Diomandé ◽  
G. R. Soro ◽  
S. Soro ◽  
Et Yao Kouamé A.

The work was conducted in the north of Cote d’Ivoire, central pivot cotton production savannah area, to make the diagnosis of soil fertility for cotton cropping. Cotton cropping, the mainstay of the savannah's economy, suffered from low productivity in relation to the soils chemical properties. Prior cultivation, soils samples were collected at a depth of 0 to 30 cm, collecting 32 simple samples to generate a complete sample. The samples were sent to the soil laboratory to measure the pH unities, CEC, nitrogen, phosphorus, potassium, calcium, magnesium, sodium, iron, zinc, copper and manganese contents. In order to facilitate the interpretation of analysis results, the nutrients critical level recommended for optimum production of cotton were used. Results showed that soils had pH ranging from 4.4 to 6.4. On the other hand, the need to add nitrogen, magnesium and phosphorus to the soils and to augment the low carbon, calcium and potassium content. There is the need to search for fertilizer formulations with nitrogen, magnesium phosphorus and calcium for the Cote d'Ivoire cotton belt.

2020 ◽  
Vol 45 (1) ◽  
pp. 7853-7869
Author(s):  
SIDIO Serge-Roland ◽  
KOMAN Sylvere Romuald ◽  
N’GUESSAN Koffi

The present study was done in seven markets of Abobo (Côte d’Ivoire) for inventory vegetal antidiarrheal resources. Ethnobotanical information obtained beside 44 traditional herbalists, based on interviews, show that 18 plants species are used to cure to diarrhoea. They are belonging to 17 genera and 11 families. The best represented families were: Euphorbiaceae. Three species commonly cited by healers were: Psidium guajava, Alchornea cordifolia and Euphorbia hirta. Various plant organs are used for the preparation of drug recipes. Leaves are the most used. These receipts which are mainly multispecific require different preparation methods (decoction, soaking and kneading). Most remedies are prepared as a decoction. Administration was essentially oral. This study constitutes a source of very precious information for subsequent researches for the domains of the phytochemistry and pharmacology in order to search for new natural substance. RÉSUMÉ Plantes antidiarrhéiques vendues par les herboristes des marchés de la commune d’Abobo, au nord d’Abidjan (Côte d’Ivoire). La présente étude a été conduite dans sept marchés de la commune d’Abobo (Côte d’Ivoire) pour inventorier les ressources végétales antidiarrhéiques. À l’aide de fiches questionnaires, les informations ethnobotaniques obtenues auprès de 44 herboristes, révèlent que 18 espèces de plantes sont utilisées pour combattre la diarrhée. Elles sont réparties en 17 genres et 11 familles avec une importante représentativité des Euphorbiaceae. Les trois espèces couramment citées par ces herboristes sont : Psidium guajava, Alchornea cordifolia et Euphorbia hirta. Différents organes de plante sont utilisés pour la préparation des recettes médicamenteuses. Les feuilles sont les plus employées. Les recettes, majoritairement plurispécifiques, nécessitent diverses méthodes de préparation (décoction, macération et pétrissage). La majorité des remèdes est préparée par décoction. L'administration des remèdes est faite essentiellement par la voie orale. Cette étude constitue une source d’informations très précieuse pour les recherches ultérieures dans les domaines de la phytochimie et de la pharmacologie en vue de rechercher de nouvelles substances naturelles.


2018 ◽  
Vol 14 (12) ◽  
pp. 143
Author(s):  
Charles Sékpa Dekoula ◽  
Brou Kouame ◽  
Emmanuel Kouadio N’goran ◽  
Fernand Guy Yao ◽  
Jean-Noël Ehounou ◽  
...  

In Côte d’Ivoire, agriculture is mostly rain-fed. As a result, changes and variations of climate have considerable impacts on crops production including cotton production. This paper focuses on analyzing the effects of rainfall variations on the cropping season (useful rain season) of cotton in cotton production area of Côte d’Ivoire. A set of stationarity tests was applied to the Nicholson index using rainfall data of the period 1950-2000. Then, from a frequency analyses, the variability of rainfall and characteristic parameters of the cropping season was evaluated in terms of risks. The result shows a general downward trend of rainfall in the cotton growing area with years of breaks between 1964 and 1975. Moreover, spatial evolution of the cropping season parameters is a function of latitude. After the years of breaks, the beginning and the end of the cotton cropping season, which became respectively later and earlier, indicated that the length of useful rain season became shorter. The deficits of seasonal rainfall accumulations vary up to 60%. It is therefore necessary to update the crop calendar by taking into account variability of parameters of the useful rain season.


2016 ◽  
Vol 105 (1) ◽  
pp. 10103 ◽  
Author(s):  
Beugré Romuald Léonce Kadji ◽  
Fankroma Martial Thierry Kone ◽  
Andrée Emmanuelle Sika ◽  
Soumaïla Dabonne

2016 ◽  
Vol 53 (1) ◽  
pp. 44-58 ◽  
Author(s):  
JEAN-BAPTISTE GNÉLIÉ GNAHOUA ◽  
DJÉTCHI JEAN BAPTISTE ETTIEN ◽  
BONI N'ZUÉ ◽  
CATHÉRINE EBAH ◽  
BRAHIMA KONÉ ◽  
...  

SUMMARYIn order to intensify cassava production in southern Côte d'Ivoire, multiple farmers’ field trials were carried out in two important cassava-producing areas (Dabou and Bingerville). The effectiveness of an Integrated Soil Fertility Management (ISFM) approach as intensification pathway was evaluated for poor sandy soils. Overall, ISFM-based systems outperformed the local cultivation system. The average cassava yield was 14.5 and 6.5 t ha−1 and 12.6 and 5.7 t ha−1 for the ISFM and traditional systems, in Dabou and Bingerville, respectively. The average profitability of ISFM systems was ca. 2500 Euro ha−1, whereby 66% was generated by cowpea intercrop, which yielded on average 3.1 t ha−1. Taking into account the limited farmer's resource endowment and poor soil fertility, ISFM is a crucial component for sustainable intensification of cassava production and poverty alleviate in southern Côte d'Ivoire.


2007 ◽  
Vol 2 (3) ◽  
pp. 191-209 ◽  
Author(s):  
Magali Chelpi-Den Hamer

Following political turmoil and rising socio-economic difficulties, Côte d'Ivoire has been split into two since September 2002. The rebellion controls the northern part of the country and the main towns of Bouaké, Korhogo and Man, while the government controls the southern part with Abidjan, Yamoussoukro, Daloa and all the ports in the coastal area. At the beginning of the war, civil servants who were in place in the north of the country were called back to Abidjan to be redeployed in government-controlled areas. These included many teachers and education officials, but not all, as some of them chose to stay in the war-affected areas to continue their initial work. This article focuses specifically on governmental and local non-governmental initiatives related to education which were put in place at the onset of the crisis. What type(s) of education have been offered to the children in war-affected areas and to the displaced children in government-controlled areas? What have been the difficulties of organizing national examinations in war-affected areas? How have educational attainments been certified on both sides? The study covers the period 2002–06, and is based on document analysis, grey literature collected on site and interviews with key informants.


2021 ◽  
Vol 17 (43) ◽  
pp. 1
Author(s):  
Pagadjovongo Adama Silue ◽  
Dramane Soro ◽  
Konan Edouard Kouassi ◽  
Dodiomon Soro

Les forêts classées du Nord de la Côte d’Ivoire connaissent un phénomène d’anthropisation accrue, notamment à la faveur de la crise sociopolitique de 2002 à 2011. A cela, s’ajoute l’effet des changements climatiques qui ont des conséquences sur la qualité de la biodiversité. Cette étude recherche, à travers l’analyse de paramètres floristiques et de la dynamique d’occupation du sol, des informations scientifiques fiables devant guider les orientations d’aménagement d’une forêt classée située dans la Région de la Bagoué, au Nord-Ouest du pays. L’étude de la dynamique de la couverture végétale de la Forêt classée est réalisée à travers une analyse diachronique des images satellitaires Landsat ETM de janvier 2002 et ETM + de mars 2016. L’appréciation des paramètres floristiques est basée sur l’interprétation des données d’inventaire floristique. Les résultats cartographiques montrent une régression des formations boisées passant de 81,75 % en 2002 à 71,19 % en 2016, soit un taux de régression annuel de 0,7 %. Concernant l’étude floristique, au total 281 espèces végétales, réparties entre 210 genres et rangées dans 71 familles, ont été inventoriées dans la forêt classée. Par cette flore, 18 espèces ont présenté un statut particulier, preuve de la valeur de conservation de cette formation végétale. Ce résultat pourrait servir pour la mise en place d’une forêt classée dans la Région de la Bagoué en Côte d’Ivoire. The classified forests of the north of Ivory Coast are experiencing an increased anthropization phenomenon, in particular thanks to the socio-political crisis from 2002 to 2011. In addition to this is the effect of climate change that has consequences on the quality of biodiversity. This paper focuses on the analysis of floristic parameters, the dynamics of land use, and reliable scientific information to guide the development orientations of a classified forest located in the Bagoué Region in the North-West. The study of the dynamics of the vegetation cover of the classified forest was carried out through a diachronic analysis of the Landsat ETM images of January 2002 and ETM + of March 2016. The appreciation of the floristic parameters is based on the interpretation of the floristic inventory data. The cartographic results show a regression of woodlands from 81.75% in 2002 to 71.19% in 2016, i.e., an annual rate of decline of 0.7%. Concerning the floristic study, a total of 281 plant species, divided between 210 genera and arranged in 71 families, were inventoried in the classified forest. Through this flora, 18 species presented a special status, which is a proof of the conservation value of this plant formation. This result could be used for the establishment of a classified forest in Bagoué Region of Côte d’Ivoire.


2020 ◽  
Vol 14 (1) ◽  
pp. 289-305
Author(s):  
Edwige-Gwladys Kawojou Gnimassoun ◽  
Jean Baptiste Djétchi Ettien ◽  
Dominique Masse

En Côte d’Ivoire, la pauvreté des sols est une contrainte pour la productivité agricole. L’objectif de cette étude était de produire un compost à base de rafles de palmier afin d’améliorer les propriétés physicochimiques des sols pauvres en matières 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 été compostés durant 6 mois. Les teneurs en nutriments et éléments traces métalliques (ETM) dans chacun des traitements ont été évaluées et comparées les unes par rapport aux autres. Le traitement T3 a révélé des teneurs élevées 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 deçà des seuils de toxicité avec Pb : 88,5 mg.kg-1, Zn : 167,5 mg.kg-1et Cr : 58 mg.kg-1). Ce compost pourrait donc être utilisé comme amendement pour ces ferralsols marginaux dans le Sud-Ouest de la Côte d’Ivoire. © 2020 International Formulae Group. All rights reserved. Mots clés: Rafles de palmier, compost, fertilité des sols, ETM, Côte 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 Côte d’Ivoire English Abstract In Côte 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 Côte d’Ivoire. © 2020 International Formulae Group. All rights reserved. Keywords: Palm empty fruit bunch, compost, soil fertility, heavy metal, Côte d’Ivoire


2020 ◽  
Vol 14 (8) ◽  
pp. 2807-2825
Author(s):  
Abdoulaye Cisse ◽  
Mevanly Ouattara ◽  
Estelle Anny N’guessan ◽  
Joël Emmanuel N’Gouan Abrou

En Côte d’Ivoire, principalement dans le nord, on observe la présence de plusieurs formations végétales très variées allant des forêts claires et aux différents faciès de savanes. Dans la localité de Ferkessédougou, une étude a été menée dans le but de connaître la flore, la végétation et de l’usage des plantes. Cette étude a permis de recenser 192 espèces de végétales. Elles se répartissent en 148 genres et 64 familles. Parmi ces espèces, certaines ont été identifiées comme alimentaires, médicinales ou à divers autres usages. Aussi, vingt sont considérées comme des espèces ayant un statut particulier et qui nécessite une attention particulière en vue de leur protection ainsi que les habitats où elles se rencontrent. La présence de ces espèces peut constituer des indicateurs clés pour le suivi environnemental de la zone d’étude.Mots clés : Diversité végétale, Services écosystémiques, savane soudanienne, Ferkessédougou, Côte d’Ivoire.   English Title: Plant diversity and plant uses in a Sudanese savannah area: Case of the locality of Ferkessédougou (North, Côte d'Ivoire)In Ivory Coast, mainly in the north, we observe the presence of several very varied plant vegetations anging from open forests to different facies of savannah. In the locality of Ferkessédougou, a study was carried out to learn about the flora, vegetation and the use of plants. This study identified 192 species of plants. They are divided into 148 genera and 64 families. Among these species, some have been identified as food, medicinal or various other uses. Also, twenty are considered to be species with a special status and which requires very special attention for their protection as well as the habitats where they occur. The presence of these species can constitute key indicators for the environmental monitoring of the study area. Keywords: Plant diversity, Ecosystem services, Sudanese savannah, Ferkessédougou, Ivory Coast.


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