The second cluster of chapters focuses on factors that facilitate the adoption or nonadoption of agroforestry systems. The authors of the last three chapters argue that increasing the scale of adoption and the impact of agroforestry innovations requires actions that are based on an understanding of the dynamics of adoption and the critical factors that determine whether farmers accept, do not accept, or partially accept, innovations. Place et al., in chapter Six, review factors underpinning recently adopted agroforestry systems and policy-related constraints to widespread adoption of agroforestry
