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  <titleInfo>
    <title>Nitrogen fertilization and genotypes   of peaches in high-density</title>
  </titleInfo>
  <name type="personal">
    <namePart>Barreto, Caroline Farias</namePart>
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      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Antunes, Luis Eduardo Correa</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Ferreira, Letícia Vanni</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Navroski, Renan</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Benati, Jorge Atílio</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Nava, Gilberto</namePart>
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  <abstract>


Abstract-      Among the factors that affect peach productivity is the proper nutrition of plants, being nitrogen (N) one of the main nutrients for the crop. Thus, the objective of the current study was to evaluate the effect of nitrogen fertilization on macronutrient leaf contents, plant development and production of different genotypes of peach trees cultivated at high planting density, seeking to recommend the most appropriate concentration. The experiment was conducted between 2016 and 2018 using peach selections ‘Cascata 1513’ and ‘Cascata 1067’ and with nitrogen fertilization concentrations (0, 60, 120 and 180 kg ha-1 of N). Pruning mass, trunk diameter, number of fruits per plant, average fruit mass, yield per plant, yield per hectare and leaf macronutrients were evaluated. The increase of N concentration increases the N content in leaves. For the conditions of this experiment the maximum production per plant was obtained for the highest dose of 180 Kg ha of N.



Index terms:       vegetative growth, number of fruits, Prunus persica, leaf content.</abstract>
  <abstract>


Resumo-       Entre os fatores que afetam a produtividade dos pessegueiros, está a nutrição adequada das plantas, sendo o nitrogênio (N) um dos nutrientes primordiais para a cultura. Deste modo, o objetivo do presente trabalho foi avaliar o efeito da adubação nitrogenada de manutenção nos teores foliares de macronutrientes, no crescimento das plantas e na produção de diferentes genótipos de pessegueiros cultivados em alta densidade de plantio, buscando-se recomendar a concentração mais adequada. O experimento foi conduzido entre 2016 e 2018, com seleções avançadas de pessegueiros ‘Cascata 1513’ e ‘Cascata 1067’, e com concentrações de adubação nitrogenada (0; 60; 120 e 180 kg ha-1 de N). Avaliaram-se: massa de poda, diâmetro de tronco, número de frutos por planta, massa dos frutos, produção por planta e teor de macronutrientes nas folhas. O incremento das concentrações de N aumenta o teor do N nas folhas. Para as condições deste experimento, a máxima produção por planta foi obtida para a maior dose de 180 kg ha de N.



Termos para indexação:       crescimento vegetativo, número de frutos, Prunus persica, teor foliar</abstract>
  <note>Publicação online; 19 ref.; 6 tables; Summaries (En, Pt)</note>
  <subject>
    <topic>PÊSSEGO</topic>
  </subject>
  <subject>
    <topic>CRESCIMENTO</topic>
  </subject>
  <subject>
    <topic>ADUBAÇÃO</topic>
  </subject>
  <subject>
    <topic>NITROGÊNIO</topic>
  </subject>
  <subject>
    <topic>DENSIDADE DE PLANTIO</topic>
  </subject>
  <subject>
    <topic>PRODUTIVIDADE</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista Brasileira de Fruticultura (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</publisher>
    </originInfo>
    <identifier>2024-3611</identifier>
    <identifier type="issn">0100-2945</identifier>
    <identifier type="local">BR2025004740</identifier>
    <part>
      <text>v. 42(6) p. 1-9; (2020)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/rbf/a/6bCHLJD6tgnSwjdRgGJxwtB/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/rbf/a/6bCHLJD6tgnSwjdRgGJxwtB/?format=pdf&amp;lang=en</url>
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    <recordCreationDate encoding="marc">251216</recordCreationDate>
    <recordChangeDate encoding="iso8601">20251216140416.0</recordChangeDate>
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