Fertilizer, soil health, and economic shocks: A synthesis of recent evidence

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dc.creatorAbay, Kibrom A.
dc.creatorChamberlin, Jordan
dc.creatorChivenge, Pauline
dc.creatorSpielman, David J.
dc.date2025-05
dc.date2025-05-29T15:28:32Z
dc.date2025-05-29T15:28:32Z
dc.date.accessioned2026-06-27T04:16:21Z
dc.descriptionThis 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.
dc.identifierhttps://hdl.handle.net/10568/174870
dc.identifier.urihttp://hdl.handle.net/123456789/27263
dc.languageen
dc.publisherElsevier
dc.rightsOpen Access
dc.sourceAbay, Kibrom A.; Chamberlin, Jordan; Chivenge, Pauline; and Spielman, David J. 2025. Fertilizer, soil health, and economic shocks: A synthesis of recent evidence. Food Policy 133(May 2025): 102892. https://doi.org/10.1016/j.foodpol.2025.102892
dc.subjectagricultural productivity
dc.subjecteconomic shock
dc.subjectpolicies
dc.subjectinorganic fertilizers
dc.subjectsoil quality
dc.subjectmarket disruptions
dc.subjectfood security
dc.subjectprofitability
dc.titleFertilizer, soil health, and economic shocks: A synthesis of recent evidence
dc.typeJournal Article

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Instituto Internacional de Investigación del Arroz (IRRI)