Cotton in West and Central Africa: from the agricultural revolution to the agro-ecological transition

Soumaré, Mamy; Havard, Michel; Bachelier, Bruno

doi:10.1051/cagri/2020044

Cited by 3 publications

(2 citation statements)

References 17 publications

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“…Since then, cotton production increased quickly for over two decades beginning in the early 1960's (Speirs, 1991;ICAC, 2019). Cotton production plays an important role in the economy of West Africa (Soumaré et al, 2021). It represents nearly 30% of exports which contributes, in terms of value added, to 7% Gross Domestic Product (World Bank, 2016).…”

Section: Introductionmentioning

confidence: 99%

“Sedentarisation” of transhumant pastoralists results in privatization of resources and soil fertility decline in West Africa's cotton belt

Dossouhoui

Yemadje²,

Diogo³

et al. 2023

Front. Sustain. Food Syst.

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Transhumant pastoralism is an ancient natural resource management system traditionally connecting ecosystems across north-south precipitation gradients in West Africa. As rural population grew, several governments in the region have promoted their settlement, i.e., the “sedentarisation” of nomadic pastoral peoples to avoid conflict over land use and access to resources with local sedentary populations. Former transhumant pastoralists settled down and started growing crops using the manure of their livestock. This led to the dwindling of traditional agreements and exchanges (manure against crop residues) between pastoralists and agriculturalists, that resulted in less nutrients flowing between livestock, food crops and the main cash crop in the region: cotton. As a consequence, soil fertility declined, grazing areas are overexploited, and crop production is increasingly dependent on mineral fertilizers, which are produced outside the region, exposing the livelihood of local farmers to the volatility of international (oil) markets. How do local farmers perceive the effect of this virtual “privatization” of natural resources? Is the production of cotton, a main agricultural export of west African countries, a viable option in this new situation? What does this imply for the research and policy agendas to support agricultural development? We explored these questions through engaging in discussion with farmers, herders and extension agents in three cotton growing zones of Benin.

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Section: Introductionmentioning

confidence: 99%

“Sedentarisation” of transhumant pastoralists results in privatization of resources and soil fertility decline in West Africa's cotton belt

Dossouhoui

Yemadje²,

Diogo³

et al. 2023

Front. Sustain. Food Syst.

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“…Cotton (Gossypium hirsutum L.), has been for years a lever for transformation in agricultural production systems. However, its production plays an important role in the economy of West and Central Africa (Soumaré et al, 2021). It represents nearly 30% of exports and contributes, in terms of value added to 7% Gross Domestic Product (World Bank, 2016).…”

Section: Introductionmentioning

confidence: 99%

Profitability and agronomic potential of cotton (Gossypium hirsutum L.) under biochar-compost-based amendments in three agroecological zones of northern Benin

Tovihoudji

Diogo

Abiola

et al. 2022

Front. Sustain. Food Syst.

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Low land productivity is a major constraint facing agriculture in sub-Saharan Africa, which severely affects crop yields, particularly cotton which is main export agricultural produce of Northern Benin. To overcome this situation, the hill-placement of microdose biochar-compost-based amendments was carried out at two research stations and on farmer's fields in three agroecological zones of northern Benin. The study aims to evaluate the agronomic and economic performance of cotton under two types of compost and biochar-based amendments. On stations, the experimental design used was a complete randomized block with one factor and ten treatments replicated four times as follows: (i) absolute control without any amendment (Ck), (ii) mineral fertilizer (MF) at 200 kg/ha, (iii) cow dung-based compost at 200kg/ha (CP1_200) and (iv) 300kg (CP1_300), (v) household waste-based compost at 200kg/ha (CP2_200) and (vi) 300 kg (CP2_300), the combination of CP1 and 15% biochar designated Terra preta (TP) applied at 200kg/ha (vii, TP1_200) and 300kg/ha (viii, TP1_300), the combination of CP2 and 15% biochar applied at 200kg/ha (ix, TP2_200) and 300kg/ha (x, TP2_300). On-farms, the experimental design was a randomized complete block with one factor and six optimal treatments extracted from the on-station experiments with three replicates installed in four farmers' fields from each location studied. The six treatments were: Ck, MF, CP1_200, CP2_200, TP1_200 and TP2_200. Cotton growth (Plant height, number of vegetative and reproductive branches and total bolls per plant) and yield data were collected. The treatment TP1_300 yielded higher cotton seed with 2.53 t/ha, i.e., 86% more than the absolute control. However, the highest plant growth parameters were obtained with MF which were similar to those obtained with TP1_300 (P > 0.05). Likewise, at farms, the highest plant growth parameters and yield were observed with MF followed by TP1_200 (with a cotton seed yield increase of 146% compared to the control, P < 0.05). In addition, no significant differences were observed between organic fertilizers treatments for growth variables. However yield differences occurred. To resume, TP1_300 kg/ha performed best in terms of growth and yield in on-station experiments, while on-farms, TP1_200 kg/ha produced the highest responses of cotton. Value Cost Ratio (VCR) and Benefit Cost Ratio (BCR) values were generally as good or even better for MF treatment and treatments involving CP1 at both on station and on farm, compared to Ck. Although applying mineral fertilizer (MF) alone as currently done by many farmers appears to make economic sense, this practice is unlikely to be sustainable in the long term. Applying TP1_200 and TP1_300 are two possible strategies that are affordable to farmers and provide returns on investment at least as good as the current practice of sole application of MF. However, a long-term study to assess the effect of compost-activated biochar on crop productivity and soil quality is advised.

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Typologie et performances économiques des exploitations cotonnières au Bénin

Ollabodé,

Obe,

Kpadé

et al. 2024

economierurale

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La faible productivité de la culture cotonnière menace la viabilité économique des petites exploitations. Cet article examine les performances économiques des exploitations cotonnières en fonction du niveau d’adoption des pratiques culturales et zones agroécologiques au Bénin. Les données proviennent de 700 exploitations cotonnières. Les résultats révèlent une corrélation positive entre performance économique et niveau d’adoption des pratiques culturales. Les exploitations du Nord-Centre adoptent davantage ces pratiques et affichent de meilleures performances économiques. En revanche, la production cotonnière est moins rentable au Sud et au Centre du Bénin, indépendamment du type d’exploitation. Ainsi, améliorer la performance des exploitations nécessite une politique cotonnière plus ciblée.

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Cotton in West and Central Africa: from the agricultural revolution to the agro-ecological transition

Cited by 3 publications

References 17 publications

“Sedentarisation” of transhumant pastoralists results in privatization of resources and soil fertility decline in West Africa's cotton belt

“Sedentarisation” of transhumant pastoralists results in privatization of resources and soil fertility decline in West Africa's cotton belt

Profitability and agronomic potential of cotton (Gossypium hirsutum L.) under biochar-compost-based amendments in three agroecological zones of northern Benin

Typologie et performances économiques des exploitations cotonnières au Bénin

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