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https://seedsystem.org/development-guidance/

Seed-based development demands a holistic approach if one aims to have impact for a large number of farmers and across a broad rangeof crops. Seed systems need to be designed to meet multiple goals: increase production, enhance family nutrition, make systems more resilience, and help farmers generate income. The information below includes advice and evidence for strengthening formal seed systems, farmers’ (informal) seed systems and integrated models.