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Fig. 5. Relationship between dissolved organic C, microbial biomass C and hot water-extractable C in the Sanjiang Plain of northeast China. (a) The relationship between dissolved organic C and microbial biomass C; (b) The relationship between dissolved organic C and hot water-extractable C; (c) The relationship between hot water-extractable C and microbial biomass C. Points in figure are means (n = 3). HWC = hot water-extractable C; MBC = microbial biomass C; DOC = dissolved organic C. Soils at all sites were Hydric Medihemists.
