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With research staff from more than 70 countries, and offices across the globe, IFPRI provides research-based policy solutions to sustainably reduce poverty and end hunger and malnutrition in developing countries.

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Danielle Resnick

Danielle Resnick is a Senior Research Fellow in the Markets, Trade, and Institutions Unit and a Non-Resident Fellow in the Global Economy and Development Program at the Brookings Institution. Her research focuses on the political economy of agricultural policy and food systems, governance, and democratization, drawing on extensive fieldwork and policy engagement across Africa and South Asia.

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Since 1975, IFPRI’s research has been informing policies and development programs to improve food security, nutrition, and livelihoods around the world.

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Development Strategies and Governance

Chibuzo Nwagboso

Research Analyst

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Bio

Chibuzo Nwagboso is a Research Analyst in the Development Strategies and Governance Unit, based in Abuja, Nigeria. Her work focuses on applied research and policy analysis in agriculture, nutrition, gender, and youth inclusion, using both qualitative and quantitative methods to investigate issues related to the political economy of biotechnology, gender and youth, and food systems. Prior to joining IFPRI, Chibuzo worked as a researcher for Seven Star Consultants Limited, where she specialized in impact evaluations and development studies. She holds a master’s degree in International Business Economics from Coventry University. Chibuzo’s language skills include English and functional French.

Languages spoken: functional French, English

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Publications

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Brief

SAA’s extension model: Scaling sustainable farming in Nigeria

2025Kirui, Oliver K.; Balana, Bedru; Olanrewaju, Opeyemi; Edeh, Hyacinth O.; Nwagboso, Chibuzo
Details

SAA’s extension model: Scaling sustainable farming in Nigeria

In Nigeria, scaling agricultural innovations faces a major enabling environment challenge. This includes weak national extension systems, low extension officers-farmer ratios (1:1,800–1:3,000) and ineffective input-output market linkages, limiting technology adoption, and value addition for smallholders. The Sasakawa Africa Association (SAA) addressed this through its Value-Chain Based Extension (VCBE) Models, including Commodity Association Trader-Trainers and post-harvest centers, fostering public-private partnerships to build capacity, improve group dynamics, and create aggregation hubs. This innovative extension model has mobilized agricultural produce valued at approximately USD 3.9 million and delivered significant impact for smallholder farmers. The approach has doubled maize yields—from traditional levels of 2,438 kg/ha to 4,823 kg/ha—while enhancing incomes for more than 455,200 farmers. These outcomes are strengthening both food security and economic resilience across participating communities.

Year published

2025

Authors

Kirui, Oliver K.; Balana, Bedru; Olanrewaju, Opeyemi; Edeh, Hyacinth O.; Nwagboso, Chibuzo

Citation

Kirui, Oliver K.; Balana, Bedru; Olanrewaju, Opeyemi; Edeh, Hyacinth O.; and Nwagboso, Chibuzo. 2025. SAA’s extension model: Scaling sustainable farming in Nigeria. Enabling Environment Success and Failure Stories 7. Washington, DC: International Food Policy Research Institute. https://hdl.handle.net/10568/180316

Country/Region

Nigeria

Keywords

Africa; Sub-saharan Africa; Western Africa; Agricultural Extension; Sustainability; Innovation Scaling; Sustainable Agriculture; Farming Systems

Language

English

Access/Licence

Open AccessCC-BY-NC-ND-4.0

Source

Source record

Record type

Brief

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Working Paper

Impact assessments of gender transformative interventions in Tanzania: Pre-analysis plan

2025Cole, Steve; Ferguson, Nathaniel; Heckert, Jessica; Hidrobo, Melissa; Mwakanyamale, Devis; Nwagboso, Chibuzo
Details

Impact assessments of gender transformative interventions in Tanzania: Pre-analysis plan

Transforming gender norms improves women’s wellbeing and may help close the agricultural productivity gap, yet evidence on pairing them with agriculture interventions is limited. We will test an innovative approach to developing and delivering gender transformative interventions with cassava producers in Tanzania. Using a cluster-randomized controlled trial, we examine the impact of these gender transformative interventions paired with standard agricultural service, compared to agricultural services alone, on the primary (gender norms, decision making, and women’s leadership) and secondary (agricultural productivity, women’s savings, and women’s access to land) outcomes. Qualitative methods will examine changes in intra-couple dynamics (communication, decision making, and division of labor).

Year published

2025

Authors

Cole, Steve; Ferguson, Nathaniel; Heckert, Jessica; Hidrobo, Melissa; Mwakanyamale, Devis; Nwagboso, Chibuzo

Citation

Cole, Steve; Ferguson, Nathaniel; Heckert, Jessica; Hidrobo, Melissa; Mwakanyamale, Devis; and Nwagboso, Chibuzo. 2025. Impact assessments of gender transformative interventions in Tanzania: Pre-analysis plan. Washington, DC: International Food Policy Research Institute. https://hdl.handle.net/10568/179364

Keywords

Tanzania; Eastern Africa; Sub-saharan Africa; Africa; Gender; Policies; Impact Assessment; Women; Cluster Randomized Trials; Qualitative Analysis

Language

English

Access/Licence

Open Access

Source

Source record

Project

Gender Equality

Record type

Working Paper

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Working Paper

Insecticide use, farmers’ self-reported health status, and genetically modified cowpea in Nigeria: Findings from a clustered randomized controlled trial with causal

2025Amare, Mulubrhan; Andam, Kwaw S.; Spielman, David J.; Bamiwuye, Temilolu; Nwagboso, Chibuzo; Zambrano, Patricia; Chambers, Judith A.
Details

Insecticide use, farmers’ self-reported health status, and genetically modified cowpea in Nigeria: Findings from a clustered randomized controlled trial with causal

Excessive insecticide use in smallholder agriculture can threaten human health and the environment. We evaluate the effects of receiving a genetically modified cowpea variety that confers resistance to the legume pod borer (Maruca vitrata) using a clustered randomized controlled trial with an encouragement design in Nigeria. We find that farmers who received the pod borer-resistant (PBR) cowpea with complementary inputs significantly reduce insecticide volumes and report fewer days of insecticide-related illness compared to farmers who only received a conventional cowpea variety. Farmers receiving PBR cowpea alone experience smaller, mostly insignificant reductions. To explore heterogeneous responses, we combine ANCOVA (analysis of covariance) interactions with machine learning-based Causal Forest estimates of Conditional Average Treatment Effects (CATEs). Results reveal that smaller, less wealthy, and labor-constrained households experience the largest reductions in insecticide use and health improvements, whereas wealthier farmers or those with higher baseline spraying practices experience lower reductions. Women-managed plots exhibit modestly higher responsiveness. Our findings highlight the importance of moving beyond average effects and seed distribution toward targeted, context-specific interventions that account for behavioral and resource constraints in smallholder farming systems.

Year published

2025

Authors

Amare, Mulubrhan; Andam, Kwaw S.; Spielman, David J.; Bamiwuye, Temilolu; Nwagboso, Chibuzo; Zambrano, Patricia; Chambers, Judith A.

Citation

Amare, Mulubrhan; Andam, Kwaw S.; Spielman, David J.; Bamiwuye, Temilolu; Nwagboso, Chibuzo; et al. 2025. Insecticide use, farmers’ self-reported health status, and genetically modified cowpea in Nigeria: Findings from a clustered randomized controlled trial with causal. IFPRI Discussion Paper 2388. Washington, DC: International Food Policy Research Institute. https://hdl.handle.net/10568/179030

Country/Region

Nigeria

Keywords

Africa; Sub-saharan Africa; Western Africa; Insecticides; Farmers; Health; Genetically Modified Foods; Cowpeas; Randomized Controlled Trials; Machine Learning

Language

English

Access/Licence

Open Access

Source

Source record

Project

National Policies and Strategies

Record type

Working Paper

Events

2025 Gender Conference: Accelerating Equality in Food, Land, and Water Systems
IFPRI at External Event

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October 7 to 9, 2025

2025 Gender Conference: Accelerating Equality in Food, Land, and Water Systems

Join the CGIAR Accelerator Gender Equality & Inclusion, in collaboration with the International Water Management Institute (IWMI) and the Western Cape Government, in Cape Town for the 2025 Gender Conference, a pivotal gathering at the intersection of gender equality and sustainable development. This year’s theme, “Accelerating Equality in Food, Land, and Water Systems,” highlights the urgent need […]