"The Farmer Field School (FFS) originated in the 1980s in the context of integrated pest management in Indonesian rice farming. With the hope that it is the remedy for agricultural extension system, FFS has been promoted as a tool for participatory learning and experimentation all over the world. This work results from a critical analysis of the introduction of the FFS concept into the agricultural innovation system in Uganda. Ideally, an FFS produces new technical knowledge in the context of application through the input of local human resources. The analysis, framed as a technography,...