Studies show that cereal diversity positively affects mean yields, suggesting increased crop diversity as a means of increasing production (Di Falco and Chavas 2009, Baumgärtner and Quaas 2010). In practice though, agricultural development has relied on nondiverse systems. Using the Ethiopian...

Quality control can happen at the farm level. However, adoption of better agricultural practices largely depends on the availability of appropriate technology, the introduction of improved varieties, and farmers’ awareness and training