The average maize yield in Tanzania is below 1.5 t ha-1. Nevertheless, Tanzania has a large potential to increase the maize yield and enhance food security due to regionally adapted agronomic practices. The agronomic practices, which are formulated in the Trans-SEC upgrading strategies, focus on the issue of both food security and environmental (climate, soil) protection. To consider both issues under future climate conditions, crop models allow an impact assessment of agricultural practices and climate impact on crop yields.

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