Fig. A4. Effects of organic matter and ashes from burned vegetation on soil quality.
FR1: bare soils with burned vegetation biomass; FR: bare soils with unburned
vegetation biomass; JC: Chromolaena odorata fallow; JR: bush ligneous fallow; SF:
secondary forest; FC: primary forest; FG: Gilbertiodendron dewevrei forest; RA:
raffia and Uapaca forest; SQI13: soil qualiy index from combination of thirteen
parameters.