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      Matéria orgânica e biomassa microbiana em plantios de eucalipto no Cerrado piauiense Translated title: Organic matter and microbial biomass in eucalyptus plantations in the Cerrado of the State of Piaui

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          Abstract

          Este trabalho objetivou determinar o efeito do plantio de eucalipto no carbono orgânico total, na biomassa microbiana e na matéria orgânica leve na região do Cerrado, no sul do Piauí. O estudo foi desenvolvido utilizando-se amostras de solos provenientes de povoamentos de Corymbia citriodora com quatro anos e Eucalyptus urophilla com cinco anos, e de uma área de cerrado preservada (testemunha). As práticas de manejo dos plantios de eucalipto promovem a oxidação da matéria orgânica leve, resultando em maior teor de carbono orgânico do solo em relação ao cerrado preservado. A biomassa microbiana do solo nos plantios de eucalipto apresentou pouca eficiência na manutenção do carbono em comparação ao cerrado preservado.

          Translated abstract

          This study investigated the effect of eucalyptus plantations in the total organic carbon, microbial biomass and light organic matter from the cerrado in the south region of the State of Piaui. The study was carried out utilizing soil samples from four-year-old Corymbia citriodora and five-year-old Eucalyptus urophilla stands and a preserved cerrado area (control).The management practices of eucalyptus plantations promoted the oxidation of the light organic matter result in gin higher content of soil organic carbon in relation to the preserved cerrado area. The soil microbial biomass in eucalyptus plantations presented low efficiency in the maintenance of carbon compared to the preserved cerrado.

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          Most cited references28

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          Sistema brasileiro de classificação do solo

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            Centro Nacional de Pesquisa de Solos. Manual de métodos de análise de solo

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              Ratio of Microbial Biomass Carbon to Soil Organic-Carbon as a Sensitive Indicator of Changes in Soil Organic-Matter.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                floram
                Floresta e Ambiente
                Floresta Ambient.
                Instituto de Florestas da Universidade Federal Rural do Rio de Janeiro (Seropédica )
                2179-8087
                December 2012
                : 19
                : 4
                : 453-459
                Affiliations
                [1 ] Universidade Federal do Piauí Brazil
                [2 ] Universidade Federal do Piauí Brazil
                [3 ] Universidade Federal de Lavras Brazil
                Article
                S2179-80872012000400007
                10.4322/floram.2012.061
                4b164847-a1e0-455e-a09a-dcca2a4bc09f

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=2179-8087&lng=en
                Categories
                PLANT SCIENCES

                Plant science & Botany
                cerrado,florestas plantadas,carbono,litter,forest plantations,carbon,serapilheira
                Plant science & Botany
                cerrado, florestas plantadas, carbono, litter, forest plantations, carbon, serapilheira

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