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  <leader>03025nab a2200301 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251231183255.0</controlfield>
  <controlfield tag="008">251231b2023    bl.tr|pooa||| 00| 0 por |</controlfield>
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    <subfield code="b">1930</subfield>
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    <subfield code="a">F04</subfield>
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    <subfield code="a">Hanisch, Ana L&#xFA;cia </subfield>
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    <subfield code="a">Schveitzer,  Bianca </subfield>
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    <subfield code="a">Curva de absor&#xE7;&#xE3;o de nutrientes e ac&#xFA;mulo de massa seca da grama missioneira-gigante em duas &#xE9;pocas de crescimento</subfield>
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Publica&#xE7;&#xE3;o online; 8 ref.; 2 illus.; Summaries (En, Pt)</subfield>
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Resumo &#x2013;        Buscando  contribuir  para  a  gera&#xE7;&#xE3;o  de  informa&#xE7;&#xF5;es  sobre  as  curvas  de  absor&#xE7;&#xE3;o  de  nutrientes  em  missioneira-gigante,  foi  realizado  um  experimento  em  delineamento  completamente  casualizado  com  tr&#xEA;s  repeti&#xE7;&#xF5;es,  em  uma  &#xE1;rea  de pastagem j&#xE1; estabelecida h&#xE1; dois anos. Foram avaliadas as curvas de ac&#xFA;mulo de macro (N, P, K, Ca, Mg), de micronutrientes (Fe, Mn, Cu. Zn e B) e de massa seca, a partir de cortes realizados aos 7, 14, 21 e 28 dias p&#xF3;s pastejo. Houve aumento linear das concentra&#xE7;&#xF5;es de N e K nas plantas de missioneira-gigante durante o outono, mas esse efeito n&#xE3;o foi observado no ver&#xE3;o. Os teores de P, Ca e Mg se mantiveram est&#xE1;veis na planta nos dois per&#xED;odos, e a concentra&#xE7;&#xE3;o de micronutrientes apresentou tend&#xEA;ncia de redu&#xE7;&#xE3;o em ambos, em especial de Fe. O ac&#xFA;mulo de massa seca at&#xE9; os 28 dias de crescimento da missioneira-gigante foi maior no per&#xED;odo de outono do que no de ver&#xE3;o.  


Termos para indexa&#xE7;&#xE3;o:       Axonopus catharinensis;Curva de crescimento; An&#xE1;lise foliar; Nutri&#xE7;&#xE3;o mineral. </subfield>
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Abstract &#x2013;    Aiming to add information on nutrient absorption curves in giant missionary-grass, an experiment was carried out in a pasture established for two years. The accumulation curve of macro (N, P, K, Ca, Mg) and micronutrients (Fe, Mn, Cu, Zn and B) and plant dry mass were evaluated from cuts performed at 7, 14, 21 and 28 days after grazing. There was a linear increase in N and K concentrations in giant missionary-grass during autumn, but this effect was not observed in summer. Plant P, Ca, and Mg levels remained stable in both periods, and micronutrient concentration, especially Fe, tended to decrease in both seasons. Plant dry mass accumulation at 28 days was higher in autumn than in summer.  


Index terms: Axonopus catharinensis; Growth curve; Leaf analysis; Mineral nutrition</subfield>
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    <subfield code="a">PASTAGEM</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">GRAM&#xCD;NEA FORRAGEIRA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CRESCIMENTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">AN&#xC1;LISE FOLIAR</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">NUTRIENTE MINERAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ABSOR&#xC7;&#xC3;O DE NUTRIENTES</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">1813</subfield>
    <subfield code="9">317210</subfield>
    <subfield code="d">Florian&#xF3;polis-SC Empresa de Pesquisa Agropecu&#xE1;ria e Extens&#xE3;o Rural de Santa Catarina 1988-</subfield>
    <subfield code="o">2024-3834</subfield>
    <subfield code="t">Agropecu&#xE1;ria Catarinense (Brazil)</subfield>
    <subfield code="x">0103-0779</subfield>
    <subfield code="g">v. 36(2) p. 22-25; (2023)</subfield>
    <subfield code="w">BR2025005385</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://publicacoes.epagri.sc.gov.br/rac/article/view/1446/1574</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">339690</subfield>
    <subfield code="d">339690</subfield>
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