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      Produtividade de cenoura e alface em sistema de consorciação Translated title: Production of lettuce and carrot in an intercropping system

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          Abstract

          Com o objetivo de avaliar as culturas de cenoura e alface no sistema de consórcio, foram conduzidos dois experimentos na estação experimental da Pesagro-Rio em Campos dos Goytacazes, RJ, em cultivo de inverno nos anos de 1995 e 1996. As alfaces foram cultivadas em monocultivo e em consórcio com a cultura de cenoura. Utilizou-se delineamento experimental de blocos ao acaso com quatro repetições. Para cenoura foram analisados seis tratamentos (cenoura em monocultivo e em consórcio com cinco cultivares de alface). Para a alface foi utilizado esquema fatorial com dois sistemas de cultivo e cinco cultivares. As parcelas experimentais possuíam dimensões de 1 m x 1,5 m. No primeiro experimento, foram utilizadas as cultivares de alface Babá-de-verão, Regina-71, Vitória, Brasil-303 e Carolina e no segundo experimento, as cultivares Carolina, Elisa, Regina-71, Vitória e Marisa. A cultivar de cenoura utilizada foi a Brasília. A eficiência do consórcio foi avaliada pelo cálculo da Razão de Área Equivalente (RAE). Em ambos experimentos, tanto para monocultivo quanto para consórcio, as culturas apresentaram produção adequada para comercialização. Apenas houve prejuízo à cenoura no sistema de consórcio quando esta foi cultivada com a alface cv. Marisa. Os valores da RAE, 1,74 e 1,76, evidenciaram que a utilização do consórcio foi vantajosa nos dois ensaios, ou seja, para obter-se a mesma produção de alface ou cenoura em monocultivo seria necessário um acréscimo em área de 74% e 76%, considerando o primeiro e segundo ano de experimentação, respectivamente.

          Translated abstract

          Two experiments were conducted at the Campos Experiment Station - Pesagro-Rio, during the winter season of 1995 and 1996, to evaluate the performance of carrot and lettuce in an intercropping system. For the first experiment the lettuce cultivars comprised Babá-de Verão, Regina-71, Vitória, Brasil-303 and Carolina, whilst for the second experiment comprised Carolina, Elisa, Regina-71, Vitória and Marisa. The carrot cultivar Brasília was used in both experiments. Lettuce cultivars were used in monoculture and in an intercropping with carrot. The experimental design comprised randomized blocks with four replications. For carrot, six treatments were analysed (monoculture and intercropping with five lettuce cultivars), and for lettuce, a factorial arrangement with two systems and five cultivars was used. Each experimental plot had the dimensions of 1 m x 1.5 m. The intercropping system efficiency was measured by the "Land Equivalent Ratio" (LER) technique. For both experiments and crops, in monoculture and intercropping system, productions were considered suitable for marketing. However, when carrot was intercropped with the lettuce cultivar Marisa there was a decrease observed in carrot root quality. The LER values of 1.74 and 1.76 provide evidence that this practice was advantageous in both experiments, that is, to harvest the equivalent production of lettuce or carrot in a monoculture system there would be a need to increase the planted area by 74% and 76%, considering two years of experimentation, respectively

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          O feijão em cultivos consorciados

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            Intercropping cabbage with clover: effects on ground beetles

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              Recomendações para o planejamento e análise de experimentos com as culturas de milho e feijão consorciadas

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                hb
                Horticultura Brasileira
                Hortic. Bras.
                Associação Brasileira de Horticultura (Vitoria da Conquista )
                1806-9991
                July 1999
                : 17
                : 2
                : 143-146
                Affiliations
                [1 ] Empresa de Pesquisa Agropecuária do Estado do Rio de Janeiro Brazil
                [2 ] Empresa de Pesquisa Agropecuária do Estado do Rio de Janeiro Brazil
                Article
                S0102-05361999000200013
                10.1590/S0102-05361999000200013
                968a5aa0-f605-4e16-9fc2-eef7965f9a45

                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=0102-0536&lng=en
                Categories
                HORTICULTURE

                Horticulture
                Lactuca sativa,Daucus carota,monoculture,intercropping,Land Equivalent Ratio,monocultivo,consórcio,Razão de Área Equivalente

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