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  <leader>04430nab a2200313 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Siqueira, David Pessanha</subfield>
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    <subfield code="a">Barroso, Deborah Guerra</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Carvalho, Giovanna Campos Mamede Weiss de </subfield>
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    <subfield code="a">Erthal, Rommel Monnerat</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Rodrigues, Maria Clara Coutinho</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Marciano, Claudio Roberto</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Lodo de esgoto tratado na composi&#xE7;&#xE3;o de substrato para produ&#xE7;&#xE3;o de mudas de Plathymenia reticulata Benth</subfield>
  </datafield>
  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 34 ref.; 6 tables; Summaries (En, Pt)</subfield>
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Resumo

O trabalho teve como objetivo avaliar o uso do lodo de esgoto tratado (LET) associado a substrato &#xE0;
base de casca de pinus (SC1) ou &#xE0; base de fibra de coco (SC2), em diferentes propor&#xE7;&#xF5;es, como substrato
para produ&#xE7;&#xE3;o de mudas de vinh&#xE1;tico. O experimento foi conduzido em casa de vegeta&#xE7;&#xE3;o, localizada na
unidade de apoio a pesquisa da Universidade Estadual do Norte Fluminense, de junho a novembro de
2016. Utilizaram-se 20, 40, 60, 80% de LET associados ao SC1 ou ao SC2, 100% de LET e o tratamento com
SC1 com aduba&#xE7;&#xE3;o convencional (controle). O lodo de esgoto foi higienizado com adi&#xE7;&#xE3;o de cal a 15% do
peso seco. Os resultados revelam que as menores propor&#xE7;&#xF5;es de LET no substrato resultaram em mudas
com melhor crescimento em altura, di&#xE2;metro do coleto, &#xE1;rea foliar, massa seca da parte a&#xE9;rea e do sistema
radicular, comprimento e volume radicular. A nodula&#xE7;&#xE3;o foi negativamente influenciada nas mudas
produzidas em propor&#xE7;&#xF5;es acima de 20% de LET. A agrega&#xE7;&#xE3;o do torr&#xE3;o ao substrato n&#xE3;o foi influenciada
pela adi&#xE7;&#xE3;o de LET, entretanto, houve aumento da curvatura do torr&#xE3;o nas mudas produzidas em maiores
quantidades de LET. O conte&#xFA;do da parte a&#xE9;rea de N, P e K foi menor nas mudas produzidas em substrato
com LET. Para produ&#xE7;&#xE3;o de mudas de vinh&#xE1;tico, sugere-se a propor&#xE7;&#xE3;o de 20% de lodo de esgoto associado
ao SC1 ou SC2, n&#xE3;o havendo preju&#xED;zos em rela&#xE7;&#xE3;o &#xE0;s mudas produzidas em substrato comercial adubado,
utilizado comercialmente.

Palavras-chave: Vinh&#xE1;tico; Substratos alternativos; Bioss&#xF3;lido; Qualidade do torr&#xE3;o</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">

Abstract

The aim of this work was to evaluate the treated sewage sludge (LET) associated with commercial substrate
based on pinus bark (SC1) or based on coconut fiber (SC2), in different proportions, as substrate for the
production of vinh&#xE1;tico seedlings. The study was led in a greenhouse, located in the research support
unit of the State University of North Fluminense. The treatments considered as substrates were 20, 40,
60, 80% of LET associated with SC1 or SC2, 100% of LET and the treatment with SC1 with conventional
fertilization (control). The sewage sludge was sanitized with addition of lime to 15% of dry weight. The
results showed that the lower LET proportions in the substrate resulted in seedlings with better growth in
height, stem diameter, leaf area, dry mass of shoot and root system, root length and volume. The nodulation
was negatively influenced in the seedlings produced in proportions above 20% LET. The aggregation of
the clod was not influenced by the addition of LET, however, there was increase of the curvature of the
clod in the seedlings produced in larger amounts of LET. The shoot content of N, P and K was lower in
the seedlings with LET. For the production of vinatic seedlings, 20% of sewage sludge associated with SC1
or SC2, is suggested, with no losses in relation to the seedlings produced in commercial substrate that
received fertilization, used commercially.

Keywords: Vinh&#xE1;tico; Alternative substrates; Biossolid; Clod quality</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SUBSTRATO DE CULTURA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">LODO RESIDUAL</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ADUBO DE ESGOTO</subfield>
  </datafield>
  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">4065</subfield>
    <subfield code="9">313933</subfield>
    <subfield code="d">Santa Maria-RS Universidade Federal de Santa Maria - Centro de Pesquisas Florestais.Departamento de Ci&#xEA;ncias Florestais. Programa de P&#xF3;s-Gradua&#xE7;&#xE3;o em Engenharia Florestal 1991</subfield>
    <subfield code="o">2024-0204</subfield>
    <subfield code="t">Ci&#xEA;ncia Florestal (Brazil)</subfield>
    <subfield code="x">0103-9954; 1980-5098 (on-line)</subfield>
    <subfield code="g">v. 29(2) p. 728-739; (Apr-Jun 2019)</subfield>
    <subfield code="w">BR2023001636</subfield>
  </datafield>
  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/cflo/a/RpPPXCRVHpDSVNCYp8H9T8p/?format=pdf&amp;lang=pt</subfield>
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  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">Anal&#xED;tica</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">298987</subfield>
    <subfield code="d">298987</subfield>
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