Agricultural Economics
Economics of Cowpea Seed Contracting in Ghana

Linking processor demand, quality premiums, and smallholder contracts along a growing export corridor.
Economics of Productive, Inclusive Agriculture. Research on inputs, seed systems, contracts, and farm performance that informs commercialization and rural development.
Rapid coastal demand growth outpaced contract enforcement capacity inland. The engagement linked commercial incentives to measurable quality at reception gates.
Cowpea is a key legume in Ghana, providing nutrition and income for smallholder farmers. Seed contracting — agreements between farmers and seed companies — is an emerging model for improving seed quality and distribution. This study examines the economics of cowpea seed contracting, focusing on farmer incentives, company profitability, and market outcomes. The broader challenge is that seed systems in Ghana remain underdeveloped, limiting access to quality seed. Contracting offers a pathway to strengthen seed systems, but evidence is needed to demonstrate its economic viability. This research situates seed contracting within the broader discourse on agricultural commercialization.

Seed contracting is a viable model for strengthening seed systems and farmer welfare.
Martey, E., et al
2025
Background
Advancing through the data
Cowpea is a key legume in Ghana, providing nutrition and income for smallholder farmers. Seed contracting — agreements between farmers and seed companies — is an emerging model for improving seed quality and distribution. This study examines the economics of cowpea seed contracting, focusing on farmer incentives, company profitability, and market outcomes. The broader challenge is that seed systems in Ghana remain underdeveloped, limiting access to quality seed. Contracting offers a pathway to strengthen seed systems, but evidence is needed to demonstrate its economic viability. This research situates seed contracting within the broader discourse on agricultural commercialization.

Research Approach
Survey data was collected from farmers and seed companies engaged in contracting. Econometric models were applied to measure profitability, adoption rates, and welfare outcomes. Qualitative interviews provided insights into farmer experiences with contracting and company perspectives on profitability. Comparative analysis was conducted between contracted and non-contracted farmers. This dual approach ensured findings were both statistically rigorous and contextually grounded.
Key findings from this study include:
- Contracting improved access to quality seed.
- Farmers in contracts achieved higher yields and income.
- Companies benefited from stable supply chains.

Implications
A strategic lens for organizations and policymakers
Policymakers should promote seed contracting as a commercialization strategy.
Organizations can support farmer participation in contracts.
Businesses can expand contracting models to other crops.
For organizations, this research informs seed system strengthening. For policymakers, it highlights contracting as a commercialization tool. For businesses, it shows opportunities in seed contracting.
Seed contracting is a viable model for strengthening seed systems and farmer welfare.
Martey, E., et al, 2025

