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      Agronomic characteristics, nutritional status and yield of corn intercropped with dwarf pigeon pea in different spatial arrangements of plants Translated title: Características agronómicas, estado nutricional e produtividade do milho em consociação com guandu-anão, em diferentes arranjos espaciais de plantas

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          Abstract

          Corn (Zea mays L.) is among the most produced crops in intercropping systems, mainly due to its architecture and ecophysiology. In intercropping systems, crop management should be planned to avoid interspecific competition for production factors such as water, light and nutrients. The aim of this study was to evaluate the agronomic characteristics, nutritional status and grain yield of corn intercropped with dwarf pigeon pea (Cajanus cajan L.) in different arrangements of plants. The treatments consisted of different arrangements of dwarf pigeon pea intercropped with corn. In general, the arrangements did not negatively influence the agronomic characteristics and the growth of Poaceae legume. Sowing dwarf pigeon pea in the same rows as corn and in two rows between them increased nitrogen content in corn plants, as well as provided a higher grain yield than other arrangements including the corn monoculture. The evaluated intercropping system is a promising alternative system for a more sustainable agricultural production, with less dependence on synthetic fertilizers.

          Translated abstract

          O milho (Zea mays L.) está entre as culturas mais produzidas em sistemas consociados, devido principalmente a sua arquitetura e ecofisiologia. Em consociação, a gestão das culturas deve ser planeada de modo a evitar competição interespecífica por fatores de produção, tais como a água, luz e nutrientes. No presente trabalho avaliaram-se algumas características agronómicas, o estado nutricional e a produtividade do milho em modo de produção em consociação com guandu-anão (Cajanus cajan L.) em diferentes arranjos de plantas. Os tratamentos consistiram de diferentes arranjos de guandu-anão em consociação com a cultura do milho. Em geral, os arranjos não influenciaram negativamente as características agronómicas e o crescimento da planta Poaceae. O tratamento com guandu-anão semeado na linha e em duas linhas na entrelinha do milho aumentou o teor de foliar azoto nas plantas de milho, e proporcionou uma maior produtividade relativamente aos outros tratamentos, incluindo o milho em monocultura. A consociação revelou-se um sistema de produção promissor numa agricultura mais sustentável, com menor dependência de fertilizantes minerais.

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          Most cited references37

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          Socialism in soil? The importance of mycorrhizal fungal networks for facilitation in natural ecosystems

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rca
                Revista de Ciências Agrárias
                Rev. de Ciências Agrárias
                Sociedade de Ciências Agrárias de Portugal (Lisboa, , Portugal )
                0871-018X
                June 2018
                : 41
                : 2
                : 71-80
                Affiliations
                [3] Glória de Dourados Mato Grosso do Sul orgnameState University of Mato Grosso do Sul Brazil
                [1] Seropédica Rio de Janeiro orgnameFederal Rural University of Rio de Janeiro orgdiv1Agronomy Institute orgdiv2Department of Soils Brazil
                [2] Araras São Paulo orgnameFederal University of São Carlos orgdiv1Department of Rural Development Brazil
                Article
                S0871-018X2018000200008
                10.19084/RCA17297
                fd0434bc-b727-4204-abde-616f35d0f756

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

                History
                : 20 November 2017
                : 03 February 2018
                : 30 January 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 10
                Product

                SciELO Portugal


                Zea mays L.,Cajanus cajan,competição interespecífica,macronutrientes,Cajanus cajan L.,Interspecific competition,macronutrients

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