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  <leader>03835nab a2200325 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20260410111035.0</controlfield>
  <controlfield tag="008">260410b2019    bl.qr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
    <subfield code="b">eng</subfield>
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    <subfield code="a">P33</subfield>
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    <subfield code="a">F08</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Vizioli, Bruno </subfield>
  </datafield>
  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Cavalieri-Polizel, Karina Maria Vieira </subfield>
  </datafield>
  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Barth, Gabriel </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Silage yield, organic carbon content and physical attributes of a chiseled Ferralsol under an integrated crop-livestock system</subfield>
  </datafield>
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Publica&#xE7;&#xE3;o online; 34 ref.; 3 tables; Summaries (En, Pt)</subfield>
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ABSTRACT:       The aim of this study was to evaluate the physical attributes and the silage production of a soil submitted to chiseling under an integrated crop-livestock system (ICLS) for nine years. The experiment was performed with clayey Ferralsol with three treatments (no-tillage, no-tillage with chiseling every other year, and conventional tillage) and three blocks. Corn was grown for silage in the summer, and ryegrass for pasture in the winter. The sampled soil layers each year were: 0.00-0.05 m; 0.05-0.10 m; 0.10-0.20 m; and 0.20-0.30 m, in order to determine total organic carbon, particle density, texture, porosity, bulk density and resistance to penetration. Compaction was evaluated by the relative density and the structure by the structural index. Dry matter corn silage yield and ryegrass forage were determined. Chiseling did not provide higher silage yield compared to other treatments. However, chiseling provided improvements in the physical attributes of the Ferralsol conducted over nine years on ICLS with the physical attributes of the soil detected 12 months after chiseling management.  



Key words:      conventional tillage; integrated agricultural production systems; no-tillage; physical soil quality</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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RESUMO:       O objetivo do estudo foi avaliar os atributos f&#xED;sicos e a produ&#xE7;&#xE3;o de silagem de um solo conduzido h&#xE1; nove anos com escarifica&#xE7;&#xE3;o sob sistema integrado de produ&#xE7;&#xE3;o agropecu&#xE1;ria (SIPA). O experimento foi realizado em um Latossolo Bruno distr&#xF3;fico t&#xED;pico argiloso com tr&#xEA;s tratamentos (plantio direto; plantio direto com escarifica&#xE7;&#xE3;o a cada dois anos e preparo convencional)  e  tr&#xEA;s  blocos.  No  ver&#xE3;o  era  cultivado  milho  para  a  produ&#xE7;&#xE3;o  de  silagem  e  no  inverno  era  semeado  azev&#xE9;m  para pastejo. Aos noves anos da implanta&#xE7;&#xE3;o foram amostradas as camadas: 0,00-0,05; 0,05-0,10; 0,10-0,20 e 0,20-0,30 m, para a determina&#xE7;&#xE3;o de carbono org&#xE2;nico total, densidade de part&#xED;culas, textura, porosidade, densidade do solo e resist&#xEA;ncia &#xE0;  penetra&#xE7;&#xE3;o.  A  compacta&#xE7;&#xE3;o  foi  avaliada  pela  densidade  relativa  e  a  estrutura  pelo  &#xED;ndice  estrutural.  Foram  determinadas  as produtividades de silagem de milho e a oferta de forragem do azev&#xE9;m. Embora a escarifica&#xE7;&#xE3;o n&#xE3;o tenha proporcionado aumento  na  produtividade  de  silagem  de  milho,  comparada  aos  demais  tratamentos,  proporcionou  melhorias  nos  atributos  f&#xED;sicos do Latossolo Bruno conduzido por nove anos em SIPA, efeito detectado 12 meses ap&#xF3;s o manejo.  



Palavras-chave:      preparo convencional; sistemas integrados de produ&#xE7;&#xE3;o agropecu&#xE1;ria; plantio direto; qualidade f&#xED;sica do solo</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">LAVOURA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PECU&#xC1;RIA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">INTEGRA&#xC7;&#xC3;O</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">AN&#xC1;LISE DO SOLO</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">F&#xCD;SICA DO SOLO</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PLANTIO DIRETO</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SILAGEM</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">4656</subfield>
    <subfield code="9">361507</subfield>
    <subfield code="d">Recife-PE Universidade Federal Rural de Pernambuco 2006</subfield>
    <subfield code="o">2026-1518</subfield>
    <subfield code="t">Revista Brasileira de Ci&#xEA;ncias Agr&#xE1;rias (Brazil)</subfield>
    <subfield code="x">1981-1160</subfield>
    <subfield code="g">v. 14(3) p. 1-9; (2019)</subfield>
    <subfield code="w">BR2026000101</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v14i3a6710/200</subfield>
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  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">ANA</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">341326</subfield>
    <subfield code="d">341326</subfield>
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