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    <titleInfo>
      <title>Atributos químicos e estabilidade de agregados sob diferentes culturas de cobertura em Latossolo do Cerrado</title>
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    <abstract>Objetivou-se, com este trabalho, avaliar o efeito de diferentes culturas de cobertura sobre os atributos químicos e a estabilidade de agregados de um Latossolo do cerrado, sob plantio direto. O estudo foi conduzido em área experimental na Embrapa Arroz e Feijão, em Santo Antônio de Goiás, GO. As culturas de cobertura avaliadas foram: braquiária, milho em consórcio com braquiária (integração lavoura-pecuária), guandu anão, milheto, capim mombaça, sorgo granífero, estilosantes e crotalária. As amostras foram coletadas em abril de 2005 e 2006. O delineamento experimental foi o de blocos completos ao acaso com quatro repetições e os tratamentos arranjados em esquema fatorial 8 x 2, sendo oito culturas de cobertura e duas profundidades de amostragem do solo: 0-0,10 e 0,10-0,20 m. As culturas de cobertura influenciam, de forma diferenciada, os valores de pH e os teores de cálcio, magnésio, alumínio, fósforo, potássio, cobre, zinco e ferro do solo. O tratamento estilosantes tem maior poder em acidificar o solo. A agregação do solo varia com as culturas de cobertura e com a profundidade.</abstract>
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    <subject>
      <topic>tropical grasses</topic>
      <topic>leguminous</topic>
      <topic>soil management</topic>
      <topic>no-tillage</topic>
      <topic>crop rotation</topic>
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    <classification authority="local">068</classification>
    <classification authority="local">076</classification>
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      <titleInfo>
        <title>Revista Brasileira de Engenharia Agricola e Ambiental</title>
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      <part>
        <detail type="volume">
          <number>16</number>
        </detail>
        <detail type="volume">
          <number>11</number>
        </detail>
        <extent unit="pages">
          <list> 1171-1178</list>
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      <originInfo>
        <dateIssued>2012</dateIssued>
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      <identifier type="issn">1415-4366</identifier>
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    <identifier type="uri">https://www.documentation.ird.fr/hor/fdi:010057347</identifier>
    <identifier type="issn">1415-4366</identifier>
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