Anthropological work carried out by the PROFRIZA project in Cusco over 2 cropping seasons, between 1988-90, are reported. The status of bean cultivation in the region was assessed, as well as the experience acquired in seed production, small farmer management of farming activities, and the…

Important agronomic characteristics of common root and tuber crop production systems in the tropics are indicated for crops including cassava, yam, sweet potato, and edible aroids. Brief comments are also included on aspects that help correctly interpret the information obtained during the…

Using the farm as unit of analysis, diagnosis processes aimed at improving production systems are reviewed. Within a country, diagnosis should be conducted at different hierarchical levels: local (interaction between the production system and the input distribution sector, the marketing sector,…