Calibrating QUEFTS model for Improved Fertilizer Use Efficiency in Cassava based Farming System in West Africa Authors K.S. Ezui A. Mando B. Ahiabor F. Tetteh J. Sogbedji A. Tamelokpo K. Giller L. Franke B. Janssen Downloads Abstract | Presentation Published 2012-01-01 Issue 1. Innovation of models across agro-environmental scales Section Session 2 (oral)