Determinisme de la stabilite structurale des sols cultives de la zone cotonniere ouest du Burkina Faso

Ouattara, B.; Ouattara, K; Coulibaly, Pja; Lompo, F; Yao-Kouame, A; Sedogo, M.P.

doi:10.4314/acsj.v25i3.2

Cited by 2 publications

(1 citation statement)

References 26 publications

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“…Soil organic carbon (SOC) is an essential component of ecosystems (Ouandaogo et al 2016;Ouattara et al, 2017). It plays a key role in biomass production through its positive influence on nutrients availability, soil water retention, and biodiversity (Lal, 2004).…”

Section: Introductionmentioning

confidence: 99%

Long-term effect of forest and landscape restoration practices on soil organic carbon stock in semi-arid Burkina Faso

Cissé¹,

Maïga-Yaleu²,

Kaboré³

et al. 2022

Int. J. Bio. Chem. Sci

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In semi-arid areas, forest and landscape restoration (FLR) practices are being implemented to reverse the land degradation process. The objective of this study was to investigate the long-term effect of FLR practices on soil organic carbon stock (SOCs) under different land uses in the semi-arid region of Burkina Faso. The study was conducted on degraded land under rehabilitation practices for 45, 27, 18 and 11 years, which were compared to similar land without specific rehabilitation measures. The soil was collected in 2018 in 35 sampling plots of 30 m x 30 m. Soil analysis concerned bulk density, soil particle size, soil pH, soil organic carbon content, and respiratory activity of microorganisms. SOCs increased by 150%, 98% and 29% over 0-10 cm depth in 45-, 27- and 11-year of FLR practices, and decreased by 6% in 18-year of FLR practices compared to their respective control. SOCs were not linearly increased with the duration of the implementation of FLR practices because the variation of SOCs depends on several other parameters such as soil texture, and types of combination of FLR practices. The highest SOCs were recorded for 27 years (9.5 t.ha-1) and 45 years (8.5 t.ha-1) of FLR practices. This study revealed the importance of including Assisted Natural Regeneration (ANR) as one of the combined FLR practices, for improvement of SOCs.

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Section: Introductionmentioning

confidence: 99%

Long-term effect of forest and landscape restoration practices on soil organic carbon stock in semi-arid Burkina Faso

Cissé¹,

Maïga-Yaleu²,

Kaboré³

et al. 2022

Int. J. Bio. Chem. Sci

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Structural Stability and Accumulation of Organic Matter in Some Soils under Cashew Tree Orchards in the Department of Touba in North-West Côte d’Ivoire

Alphonse¹,

Celestin²,

Joselin³

et al. 2020

OJSS

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Degradation of the physical quality of the soil is a common problem encountered in agrosystems, particularly in the case of open field cropping systems in the northern areas of Côte d'Ivoire. Thus, the structural stability of the soil, which is a good indicator of the sensitivity to threshing and to water erosion in relation to the accumulation of organic matter, was evaluated in two types of soil (Ferralsol and Cambisol) in cashew orchards, in two villages (Mahana and Sanankoro) producing cashew nuts, located the Department of Touba in the North West of Côte d'Ivoire. The objective of this study is to develop new technical routes that are better suited to further promote the sequestration of organic carbon in the soil. Soil samples were taken from open soil profiles at the two chosen sites to allow laboratory analyzes. The results indicate that the surface horizon of Cambisol (site 1) is more stable (Is = 0.78) than that of Ferralsol (site 2; Is = 1.08) with nevertheless relatively small thicknesses of horizons. The median horizons and those of depth, indicate a mediocre stability (Is vary from 1.03 to 1.62). In terms of the quantity of organic carbon, the estimated values vary from 1.96 to 4.53 t•ha −1 for Cambisol (site 1) and from 1.44 to 3.46 t•ha −1 for Ferralsol (site 2). These values remain relatively low especially at the level of the median horizons and those located in depths. Statistical tests have shown a very highly significant and negative association between the structural stability of soils and the amount of organic carbon in the different horizons. The relationship implies that organic carbon plays an important role in the structural stability of soil horizons under cashew tree orchards.

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Determinisme de la stabilite structurale des sols cultives de la zone cotonniere ouest du Burkina Faso

Cited by 2 publications

References 26 publications

Long-term effect of forest and landscape restoration practices on soil organic carbon stock in semi-arid Burkina Faso

Long-term effect of forest and landscape restoration practices on soil organic carbon stock in semi-arid Burkina Faso

Structural Stability and Accumulation of Organic Matter in Some Soils under Cashew Tree Orchards in the Department of Touba in North-West Côte d’Ivoire

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Determinisme de la stabilite structurale des sols cultives de la zone cotonniere ouest du Burkina Faso

Cited by 2 publications

References 26 publications

Long-term effect of forest and landscape restoration practices on soil organic carbon stock in semi-arid Burkina Faso

Long-term effect of forest and landscape restoration practices on soil organic carbon stock in semi-arid Burkina Faso

Structural Stability and Accumulation of Organic Matter in Some Soils under Cashew Tree Orchards in the Department of Touba in North-West C&#244;te d’Ivoire

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Structural Stability and Accumulation of Organic Matter in Some Soils under Cashew Tree Orchards in the Department of Touba in North-West Côte d’Ivoire