Breaking Down the Barriers Holding Back Soybean Contract Farming in Ethiopia

Soybean contract farming has been promoted across Ethiopia as a pathway to agricultural transformation, promising smallholder farmers reliable buyers, better inputs, and improved incomes. Yet in the northwestern districts of Metema, West Armachio, and Quara, the reality on the ground tells a more complicated story. A new study published in PLOS Sustainability and Transformation finds that yields among participating farmers consistently fall short of the crop’s potential, and local production struggles to satisfy the country’s growing demand for soybeans. The research, led by Getahun Abreham and colleagues, argues that the problem is not a single failing but a web of interlocking institutional and systemic barriers that must be tackled together.

Most previous investigations into contract farming have taken what the authors describe as a reductionist approach, isolating individual factors such as price or credit access and examining them one at a time. That method, the researchers contend, misses the multifaceted and interdependent nature of the farming systems in which these contracts operate. A farmer facing a low contract price may also be dealing with counterfeit seeds, an unenforceable agreement, and a buyer with overwhelming market power, and these disadvantages reinforce one another. To capture this complexity, the team designed an inclusive, multilevel analytical approach grounded in transaction cost theory, the economic framework that examines the hidden costs of doing business, including searching for trading partners, negotiating terms, and enforcing agreements.

The study employed a cross-sectional design and a multi-stage sampling procedure to gather data from 369 smallholder farmers across the three districts. Of these, 170 were participants in soybean contract farming arrangements and 199 were non-participants, allowing the researchers to compare the experiences and constraints of both groups. This comparison is critical, because the barriers facing contract farmers can only be properly understood against the baseline conditions confronting those who sell their crops through conventional channels.

The statistical centerpiece of the analysis was a bivariate Tobit model, a regression technique suited to situations where outcomes are censored or bounded and where two related dependent variables are examined simultaneously. Applying this model to the survey data, the researchers identified four critical systemic constraints undermining soybean contract farming in the study areas: poor seed quality, lack of contract enforceability, low contract prices, and limited market power on the part of farmers. Each of these findings carries significant implications for how contract farming is designed and regulated in Ethiopia and beyond.

Poor seed quality stands out as perhaps the most fundamental of the four barriers. Improved soybean varieties can dramatically raise yields, but only if farmers can actually obtain certified, high-germination seed. When contracts deliver substandard inputs, farmers bear the production risk while buyers still capture the harvest, an arrangement that transaction cost theory predicts will erode trust and participation over time. The study’s authors argue that securing good-quality inputs from certified suppliers through a fair contract model is crucial for promoting sustainable growth and structural transformation within Ethiopian agriculture.

The lack of enforceability represents a second, deeply institutional failure. A contract is only valuable to a farmer if the buyer can be held to its terms, and only valuable to a buyer if the farmer can be held to theirs. In the absence of a clear legal framework, agreements in the study districts effectively rest on goodwill, leaving farmers exposed to side-selling penalties they cannot contest and buyers free to renege on promised prices or input deliveries. The researchers call on policymakers to establish a clear legal framework that mandates strict contract enforceability, giving both parties confidence that commitments will be honored.

Low contract prices and limited market power form a related pair of constraints rooted in market structure. Where a small number of buyers face a large number of small sellers, the market takes on an oligopsonistic character, and buyers can dictate terms that squeeze farmer margins. The study recommends resolving these oligopsony market issues by strengthening farmers’ multi-purpose cooperatives, which can aggregate supply and negotiate collectively, and by employing anti-collusion measures to ensure market fairness. Without such interventions, contract prices will remain depressed regardless of how well other elements of the system function.

Interestingly, the researchers also point to collateral requirements as a tool for building farmer trust, a suggestion that may seem counterintuitive at first glance. In the transaction cost framework, collateral serves as a bond that signals commitment and reduces the risk of opportunistic behavior on both sides of the agreement. When buyers post credible guarantees, farmers gain assurance that the promised price and inputs will actually materialize, making them more willing to invest labor and land in the contracted crop. The study recommends that policymakers incorporate the use of collateral requirements into the legal framework governing these arrangements.

The broader significance of the findings extends well beyond three districts in northwestern Ethiopia. Soybeans are increasingly important globally as a source of protein and edible oil, and African governments view the crop as a lever for both food security and export earnings. Contract farming is frequently promoted by development organizations as a mechanism for linking smallholders to modern value chains without requiring land consolidation. But the Ethiopian evidence suggests that the institutional scaffolding around these contracts, encompassing courts, cooperatives, seed certification systems, and competition policy, is what ultimately determines whether the model lifts farmers up or leaves them exposed.

The authors’ central message is that partial fixes will not suffice. Strengthening cooperatives without enforceable contracts, or mandating enforceability without addressing seed quality, would leave the system as fragile as before. What is needed, they argue, is a coordinated transformation in which responsible bodies resolve oligopsony market issues, policymakers mandate enforceability and competitive pricing, and certified input suppliers are integrated into fair contract models. Only such a systemic approach, the study concludes, can convert soybean contract farming from a promising concept into a genuine engine of sustainable growth and structural transformation for Ethiopian agriculture and the smallholder families who depend on it.

Subject of Research: Institutional and systemic barriers to soybean contract farming among smallholders in northwestern Ethiopia

Article Title: Institutional and systemic barriers: Towards a sustainable transformation of soybean contract farming in Northwestern Ethiopia

Article References: Abreham, G., Ayalew, Z., Mussa, E. C., Muchie, M., & Adugna, M. (2026). Institutional and systemic barriers: Towards a sustainable transformation of soybean contract farming in Northwestern Ethiopia. PLOS Sustainability and Transformation, 5(4), e0000238. https://doi.org/10.1371/journal.pstr.0000238

Image Credits: AI Generated

DOI: 10.1371/journal.pstr.0000238

Keywords: soybean, contract farming, Ethiopia, smallholder farmers, transaction cost theory, seed quality, market power, oligopsony, agricultural transformation, cooperatives, contract enforceability, PLOS Sustainability and Transformation