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  <titleInfo>
    <title>Rocket plants in response to nitrogen concentration in nutrient solution</title>
  </titleInfo>
  <name type="personal">
    <namePart>Silva, Paulo Henrique S</namePart>
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  <name type="personal">
    <namePart>Cecílio Filho, Arthur Bernardes</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  </name>
  <name type="personal">
    <namePart>Reis, Isaias dos S</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Nascimento, Carolina S</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Nascimento, Camila S</namePart>
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  <abstract>


ABSTRACT:   Nitrogen (N) is the second most accumulated nutrient in rocket. This nutrient greatly affects growth, productivity and quality of the vegetable. Rocket is the second most widely grown leafy vegetable in hydroponic system; however, no studies on how N concentration in nutrient solution affects this crop can be found in literature. We studied four concentrations (79.2; 118.8; 158.4 and 237.6 mg L-1 of N) in a randomized block design with five replicates. Maximum number of leaves, leaf area, dry mass and productivity of rocket cv. ‘Folha larga’ were obtained with the highest N concentration. The rocket quality, evaluated by the nitrate content, was maximum with 210.2 mg L-1 of N and its value in the concentration which maximized productivity is in the acceptable range for vegetables; so, it is recommended to grow rocket with 237.6 mg L-1 of N in the nutrient solution. 


Keywords:    Eruca sativa, soil-free cultivation, hydroponics, leafy vegetables, nitrate.</abstract>
  <abstract>


RESUMO:   O nitrogênio (N) é o segundo nutriente mais acumulado pela rúcula, o qual afeta sobremaneira o crescimento, produtividade e qualidade desta hortaliça. A rúcula é a segunda hortaliça folhosa mais cultivada em hidroponia; porém, não há estudos sobre como a concentração do N na solução nutritiva a afeta, tendo sido este o objetivo do presente estudo. Quatro concentrações (79,2; 118,8; 158,4 e 237,6 mg L-1 de N) foram avaliadas em delineamento experimental de blocos casualizados, com cinco repetições. Máximos número de folhas, área foliar, massa seca e produtividade da rúcula ‘Folha larga’ foram obtidos com a maior concentração de N. A qualidade da rúcula, avaliada pelo teor de nitrato, foi máxima com 210,2 mg L-1 de N. Seu valor na concentração que maximizou a produtividade encontra-se na faixa aceitável para hortaliças; de modo que se recomenda o cultivo da rúcula com 237,6 mg L-1 de N na solução nutritiva.


Palavras-chave:    Eruca sativa, cultivo sem solo, hidroponia, hortaliça folhosa, nitrato</abstract>
  <note>
Publicação online; 37 ref.; 2 illus.; 2 tables; Summaries (En, Pt)</note>
  <subject>
    <topic>RÚCULA</topic>
  </subject>
  <subject>
    <topic>HORTALIÇA FOLHOSA</topic>
  </subject>
  <subject>
    <topic>CULTIVO HIDROPÕNICO</topic>
  </subject>
  <subject>
    <topic>CRESCIMENTO</topic>
  </subject>
  <subject>
    <topic>SOLUÇÃO NUTRITIVA</topic>
  </subject>
  <subject>
    <topic>NITROGÊNIO</topic>
  </subject>
  <subject>
    <topic>PRODUTIVIDADE</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Horticultura Brasileira (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Brasília-DF Sociedade de Olericultura do Brasil 1983</publisher>
    </originInfo>
    <identifier>2025-5877</identifier>
    <identifier type="issn">0102-0536</identifier>
    <identifier type="local">BR2025001953</identifier>
    <part>
      <text>v. 39(3) p. 341-345; (2021)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/hb/a/qKznpQ6qXJY4xrK4sHXbGyN/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/hb/a/qKznpQ6qXJY4xrK4sHXbGyN/?format=pdf&amp;lang=en</url>
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    <recordCreationDate encoding="marc">250913</recordCreationDate>
    <recordChangeDate encoding="iso8601">20250913170053.0</recordChangeDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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