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Critical levels of dry rotting of yellow yam (Dioscorea Cayenensis) planting material & yield responses after disinfesting heads of pratylenchus coffeae & after post-plant nematicide applications
(IICA, 1981)
Two trials were conducted with yellow yam to determine the level at which dry rotting of planting material becomes critical and therefore wich heads should be aceptable and which should be rejected growth and yield responses ...
Rural women´s survey
(IICA, 1980)
This document attempt to provide a background information of the social and economic status of women including their importance in the household structure. Focuses in: 1)Farming participation, 2)experience in associations, ...