Shallow groundwater can often develop when perennial ecosystems are replaced by annual agriculture. Returning trees to these landscapes is one option available to farmers to use more of the incident rainfall and stop the rising water table before it begins to affect production of the...

Many studies have examined the particular farm-level factors affecting the adoption of new technologies by smallholders. Using an ‘actor-oriented perspective’, this paper focuses on the larger processes at work in the development, dissemination and adoption of improved technologies. Three...