In this report by the African Centre for Biodiversity (ACB), in partnership with Mtandao wa Vikundi vya Wakulima Tanzania (MVIWATA) and Sustainable Agriculture Tanzania (SAT), based on field work conducted in Morogoro and Mvomero in 2016. It is a continuation of a research partnership with MVIWATA and SAT started in 2014, which has focused on seed, particularly the farmer-managed seed system, and soil fertility in the context of building agro-ecology as an alternative to the Green Revolution.