ABSTRACTrestoration areas, in general, did not differ from the control: eucalypt plantation and Cerrado either. Compared to the forest, the levels of organic C, microbial C, basal respiration (Rbasal) and hydrolysis of fluorescein diacetate (FDA) in the restoration areas were, in general, lower and did not differ in qCO 2 and microbial quotient (qMIC). In general, the soil quality was similar in the initial and advanced restoration stages. Most of the soil and microbial properties in the three years indicated that the restoration areas were most similar to the Cerrado. In the advanced restoration areas without eucalypt compared to Cerrado, the lower R basal in the 3 rd year and the lower FDA and qMIC and higher qCO 2 in the 2 nd year indicated that the removal of the remaining eucalypt trees was unfavorable for restoration.Index terms: spontaneous regrowth, soil quality, degraded areas, microbial biomass, microbial activity. RESUMO: PROPRIEDADES MICROBIANAS E DO SOLO EM ÁREAS EM RESTAURAÇÃO NO VALE DO JEQUITINHONHA, MINAS GERAIS O setor florestal no Alto Vale do Jequitinhonha (MG) tem adotado a criação de faixas com vegetação nativa entre os seus plantios comerciais, com o objetivo de reduzir os impactos negativos do monocultivo. O método utilizado para criação dessas faixas tem sido a restauração espontânea da vegetação nativa em áreas anteriormente cultivadas com eucalipto. O objetivo deste trabalho foi avaliar o efeito de coberturas vegetais sobre propriedades microbianas do solo, para melhor caracterizar o processo de restauração da vegetação nativa em solos florestais do Vale do Jequitinhonha, MG. Os tratamentos foram: restauração inicial (< 4 anos) com ou sem remanescentes de eucalipto; restauração avançada (> 4 anos) com ou sem remanescentes
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