Crops and technologies On crops, livestock, fisheries, irrigation, technologies, production and more.
Landscapes and biodiversity On land, landscapes, forests and forestry, biodiversity, ecosystems, ecology and more.
Nutrition and health On nutrition, malnutrition and overnutrition as well as health, diets, diseases and more.
Social Inclusion On inclusion, social classes, social groups, social participation, social protection, Indigenous peoples and more.
Scientific Publication On-farm research author(s) Ezumah, H.C. - Mutsaers, H.J.W. from International Institute of Tropical Agriculture (IITA) permalink open published in 1990 themes Youth Markets and value chains citation Ezumah, H.C. & Mutsaers, H.J.W. (1999). On-farm research. In Cassava in tropical Africa: a reference manual. Ibadan, Nigeria: IITA, (p.139-167). Publications and datasets provided via GARDIAN Open original
