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      Utilização de resíduos urbanos e agroflorestais para produção de mudas de Eucalyptus benthamii e Mimosa scabrella Translated title: The use of municipal and agroforestry waste in the production of Eucalyptus benthamii and Mimosa scabrella seedlings

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          Abstract

          Objetivou-se analisar o crescimento de mudas de Eucalyptus benthamii e Mimosa scabrella produzidas em substratos à base de biossólido (BIO), casca de arroz carbonizada (CAC) e substrato comercial à base de casca de pinus semidecomposta (SC), e correlacionar as propriedades dos substratos com o crescimento das mudas. Para tanto, foram formulados seis substratos: SC; BIO/ CAC (1/1, v:v); BIO/CAC (4/6, v:v); BIO/CAC (3/7, v:v); BIO/CAC (2/8, v:v), e BIO/CAC (1/9, v:v). Foram avaliados os seguintes aspectos: a altura da parte aérea; o diâmetro de colo; a biomassa seca da parte aérea e radicial; a facilidade de retirada do tubete, e a agregação das raízes ao substrato. Os resultados mostraram que todos os substratos foram viáveis para Eucalyptus benthamii, enquanto que, para Mimosa scabrella, aqueles à base de biossólido não foram viáveis, devido ao teor de matéria orgânica, ao pH, à condutividade elétrica e à salinidade.

          Translated abstract

          In this study, we aimed to analyze the growth of Eucalyptus benthamii and Mimosa scabrella seedlings produced on substrates based on biosolids (BIO), carbonized rice hulls (CRH) and semi-decomposed pine husk (SC), and to correlate the properties of the substrates to the growth of seedlings. To this end, six substrates were prepared: SC, BIO/CRH (1/1, v:v), BIO/CRH (4/6, v:v), BIO/CRH (3/7, v:v), BIO/CRH (2/8, v:v) and BIO/CRH (1/9, v:v). The following variables were assessed: shoot height, stem diameter, shoot dry biomass, root dry biomass, ease of seedling removal from the cartridge, and substrate root aggregation. The results showed that all substrates were viable for Eucalyptus benthamii, whereas for Mimosa scabrella, subtracts based on biosolids were not viable because of organic matter, pH, electrical conductivity, and salinity.

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          Espécies florestais brasileiras. Recomendações Silviculturais, potencialidades e uso da madeira

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            Produção e controle de qualidade de mudas florestais

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              Produção Comercial de Plantas Ornamentais

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                Author and article information

                Contributors
                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 2013
                : 20
                : 4
                : 530-537
                Affiliations
                [1 ] Universidade Federal do Paraná Brazil
                [2 ] Embrapa Brazil
                [3 ] Universidade Federal do Rio Grande do Sul Brazil
                Article
                S2179-80872013000400011
                10.4322/floram.2013.033
                b8ee193b-f935-4142-8826-b3caff0404f6

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

                History
                Product

                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
                Eucalyptus,bracatinga,biosolids,eucalipto,biossólido
                Plant science & Botany
                Eucalyptus, bracatinga, biosolids, eucalipto, biossólido

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