Cet article analyse l’impact des chocs agro-climatiques sur la sécurité alimentaire des ménages ruraux sénégalais à l'aide d'un modèle probit ordonné. La méthode du score de consommation alimentaire est utilisée pour appréhender l'état de la sécurité alimentaire des ménages. L’étude montre que 14% des ménages vivant en milieu rural sont à consommation alimentaire faible, 17% à consommation alimentaire limite, et 69% à consommation alimentaire acceptable.

This study was carried out to evaluate different spraying regimes for the production of two cowpea varieties (Ife Brown and IT2246) in the humid southwest agro-ecologies of Nigeria in order to recommend optimum spraying regimes for cowpea production in the zone.

Low agricultural commercialisation due to low productivity and a lack of access to and use of improved seeds are common features of smallholders in the Ethiopian highlands. Seed-producer cooperatives (SPCs) were established and strengthened in these highlands to facilitate smallholders’ access to improved seed.

Willingness-to-pay (WTP) studies for traditional food products are plausibly affected by unobserved decisions and strategic collusion between the experimenter and respondents. Similarly, WTP estimates in developing countries using a one-time survey might be inconsistent, as the acceptance of new products likely varies with exposure to product attributes.

The burden of low-quality diets and childhood undernutrition is widespread in rural areas in Sub-Saharan Africa, where households rely mostly on agriculture. Various empirical studies have shown the relative importance of the market, and hence food purchases, compared with farm diversification in raising dietary diversity.

Soil acidity is a major constraint to crop production in tropical regions. Although agricultural lime is one option to remediate acid soils, there is limited information on the potential returns on investments to liming by smallholders.