A pot experiment on Neyraudia reynaudian was carried out to evaluate the effects of different fertilizers(chemical fertilizer,vermicompost,and cattle manure) and earthworm inoculation on the feritility of lateritic soil degraded by highway construction. Factor analysis was applied on 21 selected soil physicochemical and microbiological indices to evaluate the comprehensive the short-term fertilization effect. The results showed that the comprehensive soil quality was controlled by three principal factors,i....