Faced with strong environmental issues, the agricultural sector has to revise deeply its aims and performance criteria. Numerous methods have been proposed to involve heterogeneous stakeholders in farming system design, and several authors highlight the importance of reflexivity in such...

Research has improved our understanding of the managerial challenges inherent in exploratory intermediation. For instance knowledge brokers help to solve well-defined problems based on existing competences. But what if the relevant actor networks are not known, if there is no clear common...