Seasonal soil water variation and root patterns between two semi-arid shrubs co-existing with Pearl millet in Senegal, West Africa

Kizito, Fred; Dragila, M. I.; Sène, M.; Lufafa, Abel; Diédhiou, Ibrahima; Dick, Richard P.; Selker, John S.; Dossa, E. L.; Khouma, M.; Badiane, Alpha; Ndiaye, Souleymane

doi:10.1016/j.jaridenv.2006.02.021

Cited by 76 publications

(55 citation statements)

References 34 publications

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“…The total annual precipitation is 480 mm (Kizito et al, 2006). During the experiment, the rain was collected with Decagon weather station (Decagon Devices, Inc., Pullman, WA, USA).…”

Section: Materials and Methods:-mentioning

confidence: 99%

Flowering and Fruiting Seasonal Changes of Six Accessions of Jatropha Curcas L. In a Semi-Arid Region of Senegal.

Diédhiou¹,

Bayala²,

Sagna³

et al. 2017

IJAR

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Jatropha curcas is the priority species for biofuel promotion in Senegal. However the lack of knowledge on floral biology and fruiting of this plant remains a problem to increase its yield and improve farmers' adoption. The objectives of this study were to assess seasonal changes on flowering and fruiting of six accessions of J curcas in semi-arid area in Senegal. In this study the total number of inflorescences, flowers and fruits were evaluated during six months on four years old plants, installed in the Agricultural Engineering School of Thies. The results showed significant effect of factors (season, accession) and interaction between them on floral and fruiting traits of J. curcas. Due to more favorable climatic conditions, the performance of flowering is better in wet season. During this season, the number of male and female flowers ranged, respectively from 107.47-191.60 and from 2.47-11.87 per inflorescence. Consequently, ripe fruits production was higher in wet season and varied between 66 and 97% of the total production. Two peaks of flowering were observed; the first one occurred in dry season and the second, with the highest number of inflorescences, arrived in wet season.

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“…The total annual precipitation is 480 mm (Kizito et al, 2006). During the experiment, the rain was collected with Decagon weather station (Decagon Devices, Inc., Pullman, WA, USA).…”

Section: Materials and Methods:-mentioning

confidence: 99%

Flowering and Fruiting Seasonal Changes of Six Accessions of Jatropha Curcas L. In a Semi-Arid Region of Senegal.

Diédhiou¹,

Bayala²,

Sagna³

et al. 2017

IJAR

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show abstract

“…Positive interaction of vegetation with soil water content has been observed previously (D'Odorico et al, 2007;Singh et al, 2012b). Soil water content could increase in vegetated areas owing to reduction in air and soil temperature and lower evaporation from the soil surface shaded by plants (Kizito et al, 2006). In contrast, soils in degraded area tend to dry out rapidly owing to the higher exposure to solar irradiance, which causes greater soil water evaporation (D'Odorico et al, 2007).…”

Section: Resultsmentioning

confidence: 73%

Vegetation establishment improves topsoil properties and enzyme activities in the dry Aral Sea Bed, Kazakhstan

An¹,

Kim²,

Chang³

et al. 2018

Forestist

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“…Une étude réalisée par Yelemou et al, (2007) sur la perception paysanne de Piliostigma reticulatum a révélé que 98% des personnes interrogées notent une croissance végétative meilleure et rapide lorsqu'un paillage de la culture est réalisé avec des feuilles de Piliostigma reticulatum. La présence et la gestion des arbustes dans les champs permet une amélioration notable du rendement de la céréale associée (Kizito et al, 2006 ;Abasse et al, 2013 ;Dossa et al, 2013 ;Binam et al, 2015). Les souches entretiennent des interactions positives avec la biomasse microbienne et agissent par conséquent sur la minéralisation du carbone et de l'azote se traduisant par des teneurs moyennes en carbone et azote totaux qui diminuent lorsqu'on s'éloigne des souches (Faye 2000 ;Wezel et al, 2000;Housman et al, 2007 ;.…”

Section: Resultatsunclassified

La régénération naturelle assistée : perceptions paysannes et effets agro-écologiques sur le rendement du mil (<i>Pennisetum glaucum</i> (L.) R. Br.) dans le bassin arachidier au Sénégal

Camara¹,

Drame²,

Sanogo³

et al. 2017

J. App. Bioscience.

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This study aims to understand the agro-ecological effect of Farmer Managed Natural Regeneration (FMNR) on the yield of millet in the groundnut basin in Senegal. The study was conducted in three villages in the municipality of Tattaguine for two consecutive years. Methodology and Results : The methodology was to assess the performance parameters of millet in an experimental factorial block with two factors: number of stems per strain and variety of millet. Meanwhile, perception surveys were conducted with producers on the various combinations tested. The results show that the FMNR with 4 stems/strain obtained in the two years a significantly higher number of fertile ears compared to the control. The grain yield difference between control plots and plots RNA (2 stems/strain and 4 stems/strain) started from the second year. This translates to a minimum by a 41% increase in yields at the RNA plots compared to controls. Surveys show that perceptions of all producers agree that millet performs better near regenerating shrubs. The majority of them prefer to keep 1 or 2 stems/strain. Conclusion and application of results:This study provides technical arguments to local actors for a large-scale spread of RNA that has a positive share agro-ecological and secondly, if adopted will contribute to the reconstruction parkland groundnut basin.

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Seasonal soil water variation and root patterns between two semi-arid shrubs co-existing with Pearl millet in Senegal, West Africa

Cited by 76 publications

References 34 publications

Flowering and Fruiting Seasonal Changes of Six Accessions of Jatropha Curcas L. In a Semi-Arid Region of Senegal.

Flowering and Fruiting Seasonal Changes of Six Accessions of Jatropha Curcas L. In a Semi-Arid Region of Senegal.

Vegetation establishment improves topsoil properties and enzyme activities in the dry Aral Sea Bed, Kazakhstan

La régénération naturelle assistée : perceptions paysannes et effets agro-écologiques sur le rendement du mil (<i>Pennisetum glaucum</i> (L.) R. Br.) dans le bassin arachidier au Sénégal

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