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  <titleInfo>
    <title>Nutrition and accumulation of nutrients in Pochota fendleri seedlings</title>
  </titleInfo>
  <name type="personal">
    <namePart>Souza, Aline das Graças</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  </name>
  <name type="personal">
    <namePart>Smiderle, Oscar José</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Chagas, Edvan Alves</namePart>
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    </role>
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  <genre authority="marc">abstract or summary</genre>
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  <abstract>


ABSTRACT:      The economic importance of mahogany highlights the importance of morphometric analyzes of seedlings and the nutritional status for the training of seedlings quality. It was intended in this work to investigate the effects of the addition or not of nutrient solution in different substrates on the quality of Pochota fendleri seedlings grown for 60 days as well as the accumulation of macro and micronutrients. The experimental design was the completely randomized in a 4 x 2 factorial scheme with five replications. Each plot was made up of five seedlings. The studied factors were: four mixtures of substrates and addition or not of nutrient solution: (T1) = sand; (T2) = soil; (T3) = soil + sand; (T4) = sand + soil + ground Brazil nut fruit treatments are eight: shell; (T1) = sand + nutrient solution; (T2) = soil + nutrient solution; (T3) = soil + sand + nutrient solution; (T4) = sand + soil + Brazil nut fruit shell + nutrient solution. Growth traits (height, stem diameter and shoot and root dry mass) and quality parameters of seedlings (shoot dry mass/root dry mass ratio, total dry mass and Dickson quality index) were evaluated. Pochota  fendleriseedlings with addition of nutrient solution present growth and quality independent of the substrate. The following nutritional requirement of the Pochota fendleri seedlings to the three substrates with nutrient solution addition follows the descending order for the macronutrients (N &gt; Ca &gt; K &gt; Mg &gt; P &gt; S) and micronutrients (Fe &gt; Mn &gt; B &gt; Zn &gt; Cu).  


Key words:      Dickson quality index; nutrient solution; propagation</abstract>
  <abstract>


RESUMO:      A importância econômica da Pochota fendleri ressalta a relevância das análises morfométricas dos seedlings e o status nutricional visando à formação de mudas com qualidade. Objetivou-se neste trabalho analisar os efeitos da adição ou não de solução nutritiva em diferentes substratos na qualidade de mudas de Pochota fendleri cultivadas por 60 dias e o acúmulo de macro e micronutrientes. O delineamento experimental utilizado foi o inteiramente casualizado em esquema fatorial 4 x 2 com cinco repetições. Cada parcela foi composta por cinco plantas. Os fatores estudados foram: quatro misturas de substratos e adição ou não de solução nutritiva, constituindo oito tratamentos: ((T1) = areia; (T2) = solo; (T3) = solo + areia (1:1); (T4) = areia + solo + casca de ouriço da castanha do Brasil triturada (1:1:1)); ((T5) = areia + solução nutritiva; (T6) = solo + solução nutritiva; (T7) = solo + areia + solução nutritiva; (T8) = areia + solo + casca de ouriço da castanha do Brasil + solução nutritiva). Foram avaliadas características de crescimento (altura, diâmetro de caule e massa seca da parte aérea e radicular) e parâmetros de qualidade de mudas (relação massa seca da parte aérea/massa seca de raiz, massa seca total e índice de qualidade Dickson). Mudas de Pochota  fendleri com adição de solução nutritiva apresentam melhor crescimento e qualidade independentes do substrato. A seguinte exigência nutricional das plântulas de Pochota fendleri aos três substratos com adição de solução nutritiva segue a ordem decrescente para os macronutrientes (N &gt; Ca &gt; K &gt; Mg &gt; P &gt; S) e micronutrientes (Fe &gt; Mn &gt; B &gt; Zn &gt; Cu).  


Palavras-chave:      índice de qualidade Dickson; solução nutritiva; propagaçã</abstract>
  <note>

Publicação online; 27 ref.; 6 tables; Summaries (En, Pt)</note>
  <subject>
    <topic>ÁRVORE FLORESTAL</topic>
  </subject>
  <subject>
    <topic>MUDA</topic>
  </subject>
  <subject>
    <topic>EXIGÊNCIA NUTRICIONAL</topic>
  </subject>
  <subject>
    <topic>SOLUÇÃO NUTRITIVA</topic>
  </subject>
  <subject>
    <topic>PROPAGAÇÃO VEGETATIVA</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista Brasileira de Ciências Agrárias (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Recife-PE Universidade Federal Rural de Pernambuco 2006</publisher>
    </originInfo>
    <identifier>2026-0999</identifier>
    <identifier type="issn">1981-1160</identifier>
    <identifier type="local">BR20250099</identifier>
    <part>
      <text>v. 13(3) p. 1-7; (2018)</text>
    </part>
  </relatedItem>
  <identifier type="uri">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v13i3a5559/316</identifier>
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    <url>http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v13i3a5559/316</url>
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    <recordCreationDate encoding="marc">260317</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260317130644.0</recordChangeDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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