Este informe documenta el número y los tipos de variedades e híbridos de maíz lanzados por los programas públicos de mejoramiento entre 1966 y 1997; describe las variedades e híbridos comercializados por organismos públicos ...

This study provides concrete information about the role of gender in resource ownership and decision-making in the mixed farming systems of Ada, Lume, and Gimbichu woredas in the central highlands of Ethiopia. A multistage ...

This report documents the number and types of maize varieties and hybrids released by public breeding programs between 1966 and 1997, describes the varieties and hybrids marketed by public seed agencies and private companies ...

Soil infertility is a major constraint to food production in the communal areas of Zimbabwe. Smallholders in the region recognise the problems of low soil fertility and have devised ways of coping with them. This study ...

This paper reviews and analyzes economic returns to wheat research in Brazil's main wheat-producing regions in Rio Grande do SuI and Paranci. Between 1975 and 1991, the area planted to wheat in Brazil increased significantly ...

This report, which updates and extends the findings of an earlier CIMMYT study published in 1994, documents the impacts of international maize breeding research in the developing world. Covering the period 1966-98, the ...