Impact of production-and consumption-oriented interventions on crop varietal adoption: Cluster-randomized controlled trial evidence from northern Nigeria

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cg.authorship.typesCGIAR multi-centre
cg.contributor.affiliationInternational Food Policy Research Institute
cg.contributor.affiliationInternational Maize and Wheat Improvement Center
cg.contributor.donorCGIAR Trust Fund
cg.contributor.initiativeMarket Intelligence
cg.contributor.initiativeSeed Equal
cg.contributor.programAcceleratorBreeding for Tomorrow
cg.coverage.countryNigeria
cg.coverage.regionAfrica
cg.coverage.regionWestern Africa
cg.coverage.regionNorthern Africa
cg.coverage.regionSub-Saharan Africa
cg.creator.identifierCatherine Ragasa: 0000-0002-8033-0784
cg.creator.identifierNing Ma: 0000-0001-6327-0188
cg.howPublishedFormally Published
cg.identifier.doihttps://doi.org/10.1111/agec.70047
cg.identifier.projectIFPRI - Innovation Policy and Scaling Unit
cg.identifier.publicationRankA
cg.isijournalISI Journal
cg.issn0169-5150
cg.journalAgricultural Economics
cg.reviewStatusPeer Review
cg.subject.impactAreaClimate adaptation and mitigation
cg.subject.impactAreaNutrition, health and food security
cg.subject.impactAreaPoverty reduction, livelihoods and jobs
dc.contributor.authorRagasa, Catherine
dc.contributor.authorOyinbo, Oyakhilomen
dc.contributor.authorMa, Ning
dc.date.accessioned2025-05-29T14:11:21Z
dc.date.available2025-05-29T14:11:21Z
dc.identifier.urihttps://hdl.handle.net/10568/174866
dc.titleImpact of production-and consumption-oriented interventions on crop varietal adoption: Cluster-randomized controlled trial evidence from northern Nigeriaen
dcterms.abstractThis paper evaluates the impact of three interventions (seed trial packs, consumption-oriented interventions, and agricultural training, either individually or bundled) in improving varietal turnover in northern Nigeria via a 3-year cluster-randomized controlled trial. A secondary objective of the paper is to evaluate the performance of these varieties in farmers’ fields. Results show that seed trial packs increased adoption of promoted varieties by 42%–44% of farmers and 42%–47% of maize and cowpea land area. Farmers rated production, processing, marketing, and consumption characteristics of these varieties very highly. Yields on plots with promoted varieties were significantly higher than those of farmers’ traditional varieties, ranging from 16% to 25% more for maize and 70% for cowpea in the first season, with observed yields persisting in the second season. JEL Classification: Q12, Q16, Q22en
dcterms.accessRightsOpen Access
dcterms.audienceScientists
dcterms.available2025-05-27
dcterms.bibliographicCitationRagasa, Catherine; Oyinbo, Oyakhilomen; and Ma, Ning. Impact of production-and consumption-oriented interventions on crop varietal adoption: Cluster-randomized controlled trial evidence from northern Nigeria. Agricultural Economics. Article in press. First published online May 27, 2025. https://doi.org/10.1111/agec.70047
dcterms.issued2025
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherWiley
dcterms.relationhttps://hdl.handle.net/10568/162923
dcterms.relationhttps://hdl.handle.net/10568/163452
dcterms.relationhttps://doi.org/10.1016/j.agsy.2025.104268
dcterms.subjectagriculture
dcterms.subjectcapacity development
dcterms.subjectcowpeas
dcterms.subjectcrop yield
dcterms.subjectseeds
dcterms.subjectrandomized controlled trials
dcterms.typeJournal Article

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