Reduction in Hg phytoavailability in soil using Hg-volatilizing bacteria and biochar and the response of the native bacterial community.

Effect of biochar and bacterial biomass additions on lettuce growth The biomass, shoot and root lengths of the lettuce decreased under the stress of Hg and increased in the majority of the microcosms with the additives, although the differences were almost not significant ( P > 0.05 except a few treatments, Table 1 ).

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