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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251216140416.0</controlfield>
  <controlfield tag="008">251216b2020    bl.|r|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">F61</subfield>
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    <subfield code="a">Barreto, Caroline Farias </subfield>
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    <subfield code="a">Antunes, Luis Eduardo Correa </subfield>
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    <subfield code="a">Ferreira, Let&#xED;cia Vanni </subfield>
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    <subfield code="a">Navroski, Renan </subfield>
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    <subfield code="a">Benati, Jorge At&#xED;lio </subfield>
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    <subfield code="a">Nava, Gilberto </subfield>
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    <subfield code="a">Nitrogen fertilization and genotypes   of peaches in high-density</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o online; 19 ref.; 6 tables; Summaries (En, Pt)</subfield>
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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 &#x2018;Cascata 1513&#x2019; and &#x2018;Cascata 1067&#x2019; 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.</subfield>
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Resumo-       Entre os fatores que afetam a produtividade dos pessegueiros, est&#xE1; a nutri&#xE7;&#xE3;o adequada das plantas, sendo o nitrog&#xEA;nio (N) um dos nutrientes primordiais para a cultura. Deste modo, o objetivo do presente trabalho foi avaliar o efeito da aduba&#xE7;&#xE3;o nitrogenada de manuten&#xE7;&#xE3;o nos teores foliares de macronutrientes, no crescimento das plantas e na produ&#xE7;&#xE3;o de diferentes gen&#xF3;tipos de pessegueiros cultivados em alta densidade de plantio, buscando-se recomendar a concentra&#xE7;&#xE3;o mais adequada. O experimento foi conduzido entre 2016 e 2018, com sele&#xE7;&#xF5;es avan&#xE7;adas de pessegueiros &#x2018;Cascata 1513&#x2019; e &#x2018;Cascata 1067&#x2019;, e com concentra&#xE7;&#xF5;es de aduba&#xE7;&#xE3;o nitrogenada (0; 60; 120 e 180 kg ha-1 de N). Avaliaram-se: massa de poda, di&#xE2;metro de tronco, n&#xFA;mero de frutos por planta, massa dos frutos, produ&#xE7;&#xE3;o por planta e teor de macronutrientes nas folhas. O incremento das concentra&#xE7;&#xF5;es de N aumenta o teor do N nas folhas. Para as condi&#xE7;&#xF5;es deste experimento, a m&#xE1;xima produ&#xE7;&#xE3;o por planta foi obtida para a maior dose de 180 kg ha de N.



Termos para indexa&#xE7;&#xE3;o:       crescimento vegetativo, n&#xFA;mero de frutos, Prunus persica, teor foliar</subfield>
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    <subfield code="a">P&#xCA;SSEGO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CRESCIMENTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ADUBA&#xC7;&#xC3;O</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">NITROG&#xCA;NIO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DENSIDADE DE PLANTIO</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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    <subfield code="0">805</subfield>
    <subfield code="9">317049</subfield>
    <subfield code="d">Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</subfield>
    <subfield code="o">2024-3611</subfield>
    <subfield code="t">Revista Brasileira de Fruticultura (Brazil)</subfield>
    <subfield code="x">0100-2945</subfield>
    <subfield code="g">v. 42(6) p. 1-9; (2020)</subfield>
    <subfield code="w">BR2025004740</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbf/a/6bCHLJD6tgnSwjdRgGJxwtB/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">339450</subfield>
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