An aggressive research and validation program launched in 1984 in Azuero, Panama, yielded a recommendation advocating zero tillage for maize production. Ten years later, maize farmers in Azuero use , land preparation ...

This paper compares the economics of the abonera maize production system, in which maize is grown in rotation with a green manure crop (velvetbean, mucuna deeringiana), with traditional bush-fallow cultivation of maize in ...

The paper presents a method for analyzing the returns to investment in on-farm research. It then applies the method to a location-specific maize research program in Caisan, Panama. The results show a rapid adoption of the ...

This paper reviews trends in maize production and consumption in Central America and Mexico in the context of the political and economic changes taking place in the region since the 1970's. The authors focus on the effects ...

This report is based on a study of the adoption and use of improved open-pollinated varieties and hybrids by small-scale farmers in the Department of Jutiapa, Guatemala. The majority of maize producers in Guatemala are ...