Marenya, Paswel; Barrett, Christopher B.; Gulick, Trudi - 2011
To develop soil fertility techniques that respond to farmers’ actual concerns, researchers and agricultural development … response to inputs. Using survey and farm soils data collected in 2002 and 2005 from smallholder farmers in western Kenya, we … study whether farmers’ subjective perceptions of soil fertility and impacts of fertilizer vary statistically with objective …