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      Rendimento de maxixe em função de doses P2O5 em solo arenoso Translated title: Gherkin yield of as a function of P2O5 levels in sandy soil

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          Abstract

          Objetivou-se, neste trabalho, avaliar a produção de maxixe em função de doses de P2O5, em Neossolo Regolítico Psamítico Típico. A pesquisa foi conduzida na área experimental da Universidade Federal da Paraíba, em Areia, entre maio e setembro/2006. O delineamento experimental utilizado foi o de blocos casualizados, com cinco tratamentos (0, 60, 120, 180, 240 e 300 kg ha-1 de P2O5), e quatro repetições. Foram utilizadas parcelas com 32 plantas, espaçadas de 2,00 x 1,00 m. O número máximo de frutos por planta (27) foi obtido na dose máxima de 300 kg ha-1 de P2O5. A produção máxima estimada de frutos (14,5 t ha-1) ocorreu com 192 kg ha-1 de P2O5. A dose de P2O5 que proporcionou maior retorno econômico foi 185 kg ha-1, com produção de 14490 kg ha-1 de frutos, o que representa um incremento de 11575 kg ha-1 de frutos. A dose mais econômica representou 96% daquela responsável pela máxima produção. O teor de P Mehlich no solo que se correlacionou com a máxima produção foi 145 mg dm-3 e com a máxima econômica foi 142 mg dm-3 de P.

          Translated abstract

          The aim of this work was to evaluate the gherkin yield in function of levels of P2O5, in Quartz Psamment. The research was carried out at Universidade Federal of Paraíba, in Areia, Brazil, from may to september/2006. The experimental design was the one randomized blocks, with five treatments (0, 60, 120, 180, 240 and 300 kg ha-1 of P2O5), and four replications. Plots contained 32 plants, spaced 2.00 x 1.00 m. The maximum number of fruits per plant (27) was obtained with the maximum level of 300 kg ha-1 of P2O5. The estimated maximum yield of fruits (14521 kg ha-1), was related with 192 kg ha-1 of P2O5. The of P2O5 level that provided larger economical income was 185 kg ha-1 yielding 14490 kg ha-1 of fruits, with an increase of fruits in the order of 11575 kg ha-1. The most economical level represented 96% of the one responsible for the maximum yield. The text of P Mehlich in the soil that had correlated with the maximum yield was 145 mg dm-3 and with the economical maximum was 142 mg dm-3 of P.

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          Most cited references 34

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          Manual de métodos de análise do solo

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            Berry temperature and solar radiation alter acylation, proportion: and concentration of anthocyanin in Merlot grapes

             Tarara,  J. Tarara,  J Lee (2008)
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              Fertilidade do solo e adubação

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cagro
                Ciência e Agrotecnologia
                Ciênc. agrotec.
                Editora da Universidade Federal de Lavras (Lavras )
                1981-1829
                August 2008
                : 32
                : 4
                : 1203-1208
                Affiliations
                [1 ] Universidade Federal da Paraíba Brazil
                [2 ] Universidade Federal da Paraíba Brazil
                [3 ] Universidade Federal da Paraíba Brazil
                [4 ] Universidade Federal da Paraíba Brazil
                [5 ] Universidade Federal da Paraíba Brazil
                Article
                S1413-70542008000400025
                10.1590/S1413-70542008000400025
                Product
                Product Information: website
                Categories
                AGRICULTURE, MULTIDISCIPLINARY

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