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Fig. la-c pauciflora Main effects of fertilizer treatments (a), sea- sons (b), and depths (e) on microbial biomass N (mgNkg -~ soil) in a red earth soil under Eucalyptus forest
Fig. 2 Effects of soil sampling depth on microbial biomass N
Fig. 4a, b Soil microbial biomass C (mg C kg -1 soil) measured by the substrate-induced respiration method at various depths sampled in March 1989 as influenced by fertilizer (a) and low-intensity prescribed fire (b) treatments

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