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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20250925204450.0</controlfield>
  <controlfield tag="008">250925b2021    bl.mr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
    <subfield code="b">eng</subfield>
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    <subfield code="a">F61</subfield>
    <subfield code="b">1112</subfield>
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  <datafield tag="072" ind1=" " ind2=" ">
    <subfield code="a">F04</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Rodrigues Filho, Vagner A. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Neves, J&#xFA;lio C. L. </subfield>
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    <subfield code="a">Donato, S&#xE9;rgio L. R. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Guimar&#xE3;es, Bruno V. C. </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Model for determining nutritional and non-nutritional limitations of Grande Naine banana in the Brazilian semiarid region</subfield>
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  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 30 ref.; 4 illus; 3 tables; Sumaries (En, Pt)</subfield>
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ABSTRACT: Plant nutrition is essential in attaining higher yields; however, non-nutritional factors play a major role in limiting crop yield. This study aimed to model and determined nutritional and non-nutritional limitations of Grande Naine banana grown in Cear&#xE1; and Bahia states, Brazil, based on nutritional balance and equilibrium. The data used in this study were collected between 2010 and 2017 from two farms, located in Miss&#xE3;o Velha, Cear&#xE1; (7&#xB0; 35&#x2019; 90&#x201D; S and 39&#xB0; 21&#x2019; 17&#x201D; W, and 442 m of altitude), and Ponto Novo, Bahia (10&#xBA; 51&#x2019; 46&#x201D; S and 40&#xBA; 08&#x2019; 01&#x201D; W, and 342 m of altitude). Plots with yields greater than the average plus 0.5 standard deviations were defined as highyielding populations (HYP) and used as a reference population to establish the norms. Plots with yields below this limit, low-yielding populations (LYP), were used for nutritional diagnosis. The database was divided into four. The first and second databases, from the area located in Miss&#xE3;o Velha, contained 46 samples from a reference population with a yield greater than 58.84 t ha-1 per year, and 104 samples from an LYP, respectively. The third and four databases, from the area located in Ponto Novo, contained 19 samples from a reference population with a yield greater than 76.12 t ha-1 per year, and 46 samples from an LYP, respectively. Nutritional factors limited Grande Naine banana yield in Cear&#xE1; and Bahia by 11.17 and 14.79%, while non-nutritional factors limited by 30.11 and 29.41%, respectively. In Grande Naine banana, non-nutritional factors are more yield-limiting than nutritional factors.

Key words: Musa spp., diagnostic methods, plant nutrition</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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RESUMO: A nutri&#xE7;&#xE3;o de plantas &#xE9; essencial para se atingir produtividades elevadas, por&#xE9;m fatores n&#xE3;o nutricionais podem limitar bastante o rendimento das culturas. Objetivou-se com o presente estudo ajustar o modelo e quantificar as limita&#xE7;&#xF5;es de ordem nutricional e n&#xE3;o nutricional com base no grau de balan&#xE7;o e equil&#xED;brio em bananeiras &#x2018;Grande Naine&#x2019; cultivadas nos estados da Bahia e Cear&#xE1;. Utilizou-se banco de dados de teores de nutrientes nas folhas e de produtividade coletados entre 2010 e 2017 em duas fazendas, localizadas em Miss&#xE3;o Velha, Cear&#xE1; (7&#xB0; 35&#x2019; 90&#x201D; S e 39&#xB0; 21&#x2019; 17&#x201D; W, e altitude de 442 m), e Ponto Novo, Bahia (10&#xBA; 51&#x2019; 46&#x2019;&#x2019; S, 40&#xBA; 08&#x2019; 01&#x2019;&#x2019; W, e altitude de 342 m). Os talh&#xF5;es com produtividade acima da m&#xE9;dia mais 0,5 desvio-padr&#xE3;o, definidos como de alta produtividade (PAP), foram considerados popula&#xE7;&#xE3;o de refer&#xEA;ncia e utilizados para gera&#xE7;&#xE3;o das normas, enquanto os talh&#xF5;es com produtividade abaixo desse limite, popula&#xE7;&#xE3;o de baixa produtividade (PBP), foram utilizados para diagn&#xF3;stico nutricional. O banco de dados foi subdividido em quatro. O primeiro e o segundo, respectivamente, com 46 amostras e popula&#xE7;&#xE3;o de refer&#xEA;ncia com produtividade maior que 58,84 t ha-1 ano-1, 104 amostras para a PBP, &#xE1;rea de Miss&#xE3;o Velha. O terceiro e quarto, respectivamente, com 19 amostras e popula&#xE7;&#xE3;o de refer&#xEA;ncia acima de 76,12 t ha-1 ano-1, 46 amostras para a PBP, &#xE1;rea de Ponto Novo. Fatores nutricionais limitaram a produtividade de bananais &#x2018;Grande Naine&#x2019; em 11,17 e 14,79%, e n&#xE3;o nutricionais, em 30,11 e 29,41%, respectivamente, para o Cear&#xE1; e a Bahia. Fatores n&#xE3;o nutricionais limitam mais a rodutividade da bananeira &#x2018;Grande Naine&#x2019; comparados aos nutricionais.

Palavras-chave: Musa spp., m&#xE9;todos de diagn&#xF3;stico, nutri&#xE7;&#xE3;o de plantas</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">BANANA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">NUTRI&#xC7;&#xC3;O VEGETAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ABSOR&#xC7;&#xC3;O DE NUTRIENTES</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">AN&#xC1;LISE FOLIAR</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">BAHIA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CEAR&#xC1;</subfield>
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    <subfield code="0">3534</subfield>
    <subfield code="9">317812</subfield>
    <subfield code="d">Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ci&#xEA;ncias e Tecnologia 1997</subfield>
    <subfield code="o">2024-4531</subfield>
    <subfield code="t">Revista Brasileira de Engenharia Agr&#xED;cola e Ambiental (Brazil)</subfield>
    <subfield code="x">1415-4366</subfield>
    <subfield code="g">v. 25 (8) p. 538-546; (2021)</subfield>
    <subfield code="w">BR2025002036</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbeaa/a/zbbJrTsPCF354hbyQYSvqLg/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">338394</subfield>
    <subfield code="d">338394</subfield>
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