Defining a suitable soil tillage option that provides adequate physical conditions for optimum cassava (Manihot esculenta Crantz) productivity has not been adequately researched in southern Brazil. This study aimed to evaluate, an Argissolo Vermelho-Amarelo Distrófico (Acrisol or Hapludalf), three methods – conventional (inverting) tillage, chiseling, and long-term no-tillage (without with, add...

J. Kihara et al. (eds.), Improving Soil Fertility Recommendations in Africa using the Decision Support System for Agrotechnology Transfer (DSSAT), DOI 10.1007/978-94-007-2960-5_3, © Springer Science+Business Media Dordrecht 2012 Abstract Africa is the continent with the lowest fertilizer use per hectare notwithstanding the fact it possesses geologically old, infertile and degraded soils. This c...