Agroforestry adaptation by farm households in northwestern Vietnam: resource needs and implications for practice and policy

In northwestern Vietnam, agroforestry is promoted to enhance environmental sustainability and support livelihoods, especially in resource-constrained situations. However, farmers adapt agroforestry in diverse ways, and there is still limited structured understanding of how differences in farm resources and configurations shape adoption patterns and support needs. Lack of knowledge about adoption patterns limits the design of cost-effective interventions. To fill this gap, we employed a participatory approach to develop a farm typology that links farm structure, agroforestry adoption patterns and group-specific constraints. Survey data from 101 households were analyzed using archetype analysis to identify distinct farm profiles. These profiles were validated through a series of farmer workshops to explore group-specific constraints and support needs. The archetype analysis identified three distinct agroforestry archetypes, each reflecting unique resource constraints. Archetype 1 and Archetype 2 both represent small-scale farmers with limited agricultural labor and diversified livelihood activities, but they differ in land configuration: Archetype 1 farmers manage more consolidated land and maintain high crop and tree diversity, whereas Archetype 2 farmers operate highly fragmented, small plots with limited potential to diversify. Archetype 3 farmers operate the largest farms among the three groups; they rely on annual crops and show the lowest agroforestry adoption level, with moderate species diversity in their agroforestry systems. Across archetypes, farmers emphasized needs for market access, as well as financial support for production inputs, tree seedlings and irrigation systems, system diversification and technical knowledge. Yet the rationale for these needs differed across groups. Our study is novel in combining data-driven archetype analysis with participatory validation to generate an action-oriented understanding of farm heterogeneity. The results show that support strategies should not only respond to common needs but also to the distinct constraints shaping agroforestry adoption across different farm contexts, highlighting the importance of context-specific, constraint-aware agroforestry policy and extension.

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