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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20250730111638.0</controlfield>
  <controlfield tag="008">250730b2023    bl.mr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="b">0336</subfield>
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    <subfield code="a">Coelho, Antonio E. </subfield>
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    <subfield code="a">Sangoi, Luis </subfield>
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    <subfield code="a">Sapucay, Moryb J. L. da C. </subfield>
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    <subfield code="a">Bratti, Felipe </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Debiasi, Henrique </subfield>
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    <subfield code="a">Franchini, Julio C. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Garbelini, Luiz G. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Balbinot Junior, Alvadi A. </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Maize-ruzigrass intercropping, nitrogen fertilization and plant density improve the performance of soybean grown in succession</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 30 ref.; 4 illus; Sumaries (En, Pt)</subfield>
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ABSTRACT: Second-crop maize-ruzigrass (Urochloa ruziziensis) intercropping, nitrogen (N) fertilization, and high maize plant densities enhance biomass production and N cycling, which may favor soybean growth and yield in the following season. This study aimed to assess the effects of second-crop maize-ruzigrass intercropping, N top dressing, and maize plant density on straw production in autumn/winter, N cycling, and agronomic performance of soybean crops grown in succession. Field experiments were installed in the 2018/2019 and 2019/2020 seasons using a randomized complete block design with split-split plots and four replications. The following factors were investigated: cropping system (sole maize and maize intercropped with ruzigrass), N top dressing (0 and 80 kg ha-1), and maize plant density (40, 60, 80, and 100 thousand plants ha-1). Maize-ruzigrass intercropping improved straw yield (2,365 kg ha-1) and N cycling (50 kg ha-1), and increased soybean yield in the following season (232 kg ha-1). N fertilization of maize increased soybean grain yield by 180 kg ha-1. Maize plant density did not influence the performance of succeeding soybean crops, regardless of the growing season.

Key words: Urochloa ruziziensis, nitrogen supply, cover crop, plant population, Glycine max</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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RESUMO: O cons&#xF3;rcio milho segunda safra com braqui&#xE1;ria ruziziensis (Urochloa ruziziensis), aduba&#xE7;&#xE3;o com nitrog&#xEA;nio (N) e alta densidade de plantas do milho aumentam a produ&#xE7;&#xE3;o de biomassa e a ciclagem de N, o que pode favorecer o crescimento e a produtividade da soja na safra seguinte. Este estudo teve como objetivo avaliar os efeitos do cons&#xF3;rcio milho segunda safra com Brachiaria ruziziensis, aplica&#xE7;&#xE3;o de N em cobertura e densidade de plantas de milho sobre a produ&#xE7;&#xE3;o de palha no outono/inverno, ciclagem de N e desempenho agron&#xF4;mico da soja em sucess&#xE3;o. Os experimentos de campo realizados nas safras 2018/2019 e 2019/2020, em delineamento de blocos completos casualizados com parcelas subdivididas e quatro repeti&#xE7;&#xF5;es, investigaram os seguintes fatores: sistema de cultivo (milho solteiro e milho consorciado com Brachiaria ruziziensis), cobertura de N (0 e 80 kg ha-1) e densidade de plantas de milho (40, 60, 80 e 100 mil plantas ha-1). O cons&#xF3;rcio milho-Brachiaria ruziziensis melhorou a produtividade de palha (2.365 kg ha-1) e a ciclagem de N (50 kg ha-1) e aumentou a produtividade de soja em sucess&#xE3;o (232 kg ha-1). A aduba&#xE7;&#xE3;o nitrogenada do milho aumentou a produtividade de gr&#xE3;os de soja em 180 kg ha-1. A densidade de plantas do milho n&#xE3;o influenciou o desempenho da soja cultivada em sucess&#xE3;o, independentemente da safra.

Palavras-chave: Urochloa ruziziensis, nitrog&#xEA;nio, planta de cobertura, popula&#xE7;&#xE3;o de planta, Glycine max</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SOJA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MILHO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">BRACHIARIA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CRESCIMENTO</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CONSORCIA&#xC7;&#xC3;O DE CULTURA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ADUBA&#xC7;&#xC3;O</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">NITROG&#xCA;NIO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PLANTA DE COBERTURA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3534</subfield>
    <subfield code="9">317838</subfield>
    <subfield code="d">Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ci&#xEA;ncias e Tecnologia 1997</subfield>
    <subfield code="o">2024-4557</subfield>
    <subfield code="t">Revista Brasileira de Engenharia Agr&#xED;cola e Ambiental (Brazil)</subfield>
    <subfield code="x">1415-4366</subfield>
    <subfield code="g">v. 27 (10) p. 764-771; (2023)</subfield>
    <subfield code="w">BR2025003465</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbeaa/a/JTvGgxVKsVjBKPjQqWsHPvx/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">337378</subfield>
    <subfield code="d">337378</subfield>
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