Field days in Tanzania enhance regional spillover of models and technology developed in SMIP pilot countriesM AMgonjaauthorE SMonyoauthorRegional networking and seed systems field days were organized in May 2000 and 2001 to: popularize the concept of the dissemination of improved sorghum seed through farmer groups; introduce the rural schools seed production concept to three other SADC countries; and facilitate the regional spillover of the initiative.Agriculture-Farming, Production, Technology, Economics2002Article