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  <controlfield tag="003">BR-BrBNA</controlfield>
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  <controlfield tag="008">260708b2018    bl.qr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="b">3290</subfield>
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    <subfield code="a">Silva, Rog&#xE9;rio Costa da </subfield>
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    <subfield code="a">Lima, Ana Paula Leite de </subfield>
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    <subfield code="a">Lima, Sebasti&#xE3;o Ferreira de </subfield>
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    <subfield code="a">Trevizani, Guilherme Marchesini </subfield>
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    <subfield code="a">Leite Junior, Jo&#xE3;o Batista</subfield>
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    <subfield code="a">Physical protector in direct sowing of baru influencing in the initial growth of the seedlings</subfield>
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Publica&#xE7;&#xE3;o online; 22 ref.; 3 illus.; Summaries (En, Pt)</subfield>
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ABSTRACT - The objective of this study was to evaluate the influence of using physical protectors on the emergence and initial growth of Baru seedlings in a direct sowing system. The experiment was installed in a randomized complete block design,  testing  the  use  of  physical  protectors  (no  protection,  P0;  plastic  cup  (500  mL)  without  the  bottom,  P1; laminated wood, P2), with 12 repetitions. Weekly soil temperature monitoring was carried out in the morning and in  the  afternoon  in  the  period  between  14  and  56  days  after  sowing  (DAS).  Daily  emergence  follow-up  was  also performed, and the stem diameter, total height and number of leaves were measured at 81 DAS. The useof physical protectors  in  the  direct  seeding  of  Baru  interfered  in  the  soil  surface  temperature  on  the  sowing  point,  on  the seedling  emergence  speed  index,  seedling  survival,  stem  diameter  and  seedling  height.  Implementing  protectors slowed the  seedling emergence  speed, however it provided higher percentages of emergence, survival and greater growth in diameter and height. 



Keywords:       Dipteryx alata, forest implantation, native species</subfield>
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RESUMO - O  objetivo  do  trabalho  foi  avaliar  a  influ&#xEA;ncia  do  uso  de  protetores  f&#xED;sicos  sobre  a  emerg&#xEA;ncia  e  o  crescimento inicial de mudas de baru em sistema de semeadura direta. O experimento foi instalado em delineamento em blocos casualizados, testando uso de protetor f&#xED;sico (sem protetor, P0; copo pl&#xE1;stico (500 mL), sem o fundo, P1; laminado de  madeira,  P2),  com  12  repeti&#xE7;&#xF5;es.  No  per&#xED;odo  entre  14  e  56  dias  ap&#xF3;s  semeadura  (DAS),  foi  feito  o acompanhamento semanal da  temperatura do solo, pela  manh&#xE3; e &#xE0;  tarde. Foi realizado, ainda, o acompanhamento di&#xE1;rio da emerg&#xEA;ncia e, 81 DAS, foram mensurados o di&#xE2;metro do colo, a altura total e o n&#xFA;mero de folhas. O uso de  protetores  f&#xED;sicos  em  semeadura  direta  de  baru  interferiu  na  temperatura  superficial  do  solo  sobre  o  ponto  de semeadura,  no  &#xED;ndice  de  velocidade  de  emerg&#xEA;ncia  das  pl&#xE2;ntulas,  na  sobreviv&#xEA;ncia  de  pl&#xE2;ntulas,  no  di&#xE2;metro  do colo e na altura das mudas. O uso de protetores tornou mais lenta a velocidade de emerg&#xEA;ncia de pl&#xE2;ntulas, por&#xE9;m propiciou maior porcentagem de emerg&#xEA;ncia, de sobreviv&#xEA;ncia e maior crescimento em di&#xE2;metro e altura. 



Palavras-chave:      Dipteryx alata, implanta&#xE7;&#xE3;o florestal, esp&#xE9;cie nativa.</subfield>
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    <subfield code="a">CUMBARU</subfield>
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    <subfield code="a">&#xC1;RVORE ANGIOSPERMA</subfield>
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    <subfield code="a">PLANTIO DIRETO</subfield>
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    <subfield code="a">MUDA</subfield>
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    <subfield code="0">4884</subfield>
    <subfield code="9">317871</subfield>
    <subfield code="d">Cassil&#xE2;ndi-MS Universidade Estadual de Mato Grosso do Sul. Depto. de Ci&#xEA;ncias Agr&#xE1;rias 2014</subfield>
    <subfield code="o">2024-4590</subfield>
    <subfield code="t">Revista de Agricultura Neotropical (Brazil)</subfield>
    <subfield code="x">2358-6303</subfield>
    <subfield code="g">v. 5(4) p. 20-25; (2018)</subfield>
    <subfield code="w">BR2026002027</subfield>
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    <subfield code="u">https://periodicosonline.uems.br/agrineo/article/view/2726/2569</subfield>
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    <subfield code="c">ANA</subfield>
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