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      Effects of population density on cauliflower crop (Brassica oleracea L. var. botrytis) Translated title: Efeitos da densidade de população de plantas na cultura de couve-flor (Brassica oleracea L. var. botrytis)

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          Abstract

          An experiment was carried out to study the effects of the following population densities cauliflowers (plants per ha): 20,833 (0.60 m x 0.80 m), 25,641 (0.60 m x 0.65 m), ....37.037 (0.60 m x 0.45 m) , 55.555 (.0.60 m x 0.30 m), and 111,111 (0,60 m x 0,15 m) ; variety Snow ball. It was concluded that the effects of plant population density are greater on curd quality (weight and size) than on production per ha. The best plant population density to produce cauliflowers curd for Brazil market is from 20,000 to 25,000 plants/ha while for mini-curd is above 55,000 plants/ha.

          Translated abstract

          O experimento foi instalado na área experimental do Setor de Horticultura da ESALQ. (Piracicaba, SP), em um Latossol Roxo série "Luiz de Queiroz", em março de 1977, considerando as seguintes densidades de população: 20.833 plantas/ha (0,60 m x 0,80m), .. 25.641 plantas/ha (0,60 m x 0,65 m), 37.037 plantas/ha (..0.,60 m x 0,45 ml, 55.550 plantas/ha (,06Q m x 0,30 ,) e 111.111 plantas/ ha (0,60 m x 0,15 m). A partir dos resultados obtidos e para as condições do experimento concluiu-se que a densidade de população sobre a produção de couve-flor afeta mais a qualidade da cabeça (peso e tamanho), enquanto que o rendimento por área é pouco afetado. Para as condições do nosso mercado, a densidade ótima deve estar entre 20.000 a 25.000 plantas por ha e para a produção de mini-couve-flor mais de 55.000 plantas por ha, paraocultivar Bola de Neve.

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          Most cited references14

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          Competition Among Crop and Pasture Plants

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            Crop growth and culture

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              Fisiologia Vegetal

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                Author and article information

                Journal
                aesalq
                Anais da Escola Superior de Agricultura Luiz de Queiroz
                An. Esc. Super. Agric. Luiz de Queiroz
                Universidade de São Paulo; Escola Superior de Agricultura (Piracicaba, SP, Brazil )
                0071-1276
                2316-8935
                1981
                : 38
                : 1
                : 1-10
                Affiliations
                [01] orgnameUSP orgdiv1E.S.A. Luiz de Queiroz orgdiv2Departamento de Agricultura e Horticultura
                Article
                S0071-12761981000100003 S0071-1276(81)03800103
                10.1590/S0071-12761981000100003
                fc35e894-901b-4b9e-afd3-0ca433b78670

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 15, Pages: 10
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                SciELO Brazil


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