Zoneamento agroclimático da cultura da goiabeira no estado do Piauí, Brasil

Authors

  • Francinalva de Moraes Sousa
  • Gilson Lages Fortes Portela
  • Milciades Gadelha de Lima
  • Mônica Sousa

DOI:

https://doi.org/10.30969/acsa.v9i3.257

Keywords:

Agronomia, Ciencia Vegetal, Ecologia

Abstract

O zoneamento agroclimático identifica áreas de maiores e menores riscos climáticos, áreas com maior potencial de produtividade além do potencial climático para o estabelecimento das culturas agrícolas. O presente trabalho teve como objetivo realizar o zoneamento agroclimático da cultura da goiabeira no Estado do Piauí. Foram utilizados dados médios anuais de precipitação e temperatura do ar, de 15 municípios do Piauí, representativos das principais regiões do Estado para a elaboração do balanço hídrico e a obtenção do Índice de Umidade (Im). Foram adotadas as seguintes faixas de Índice de Umidade (Im): - Aptidão plena A, Im < -40; - Aptidão plena B, -40 < Im <-20. O critério utilizado na divisão do Estado, em zonas térmicas, baseou-se nas normais de temperaturas médias do mês mais quente (Tq) para cada local. Assim sendo, as faixas A e B, com aptidão plena, do ponto de vista hídrico, foram subdivididas em duas subzonas: Aptidão plena A1: (Tq < 29 ºC), Aptidão plena A2: (29 ºC < Tq <31 ºC) e Aptidão plena B1: (Tq < 29 ºC), Aptidão plena B2: (29 ºC < Tq <31 ºC), para atender ao critério térmico. Com base nas cartas de Tq e Im, foram definidos os limites para as diferentes zonas de aptidão climáticas para o cultivo de goiaba. Através do zoneamento agroclimático para a cultura da goiabeira no estado do Piauí, foi possível diagnosticar que nenhum dos municípios avaliados apresenta restrição climática para o cultivo comercial da espécie.

References

<p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Guimaraes, R. A.; Perez-Maluf, R.; Castellani, M. A. Abelhas (Hymenoptera: apoidea) visitantes das flores de goiaba em pomar comercial de Salinas, MG.<strong> Bragantia</strong>,&nbsp;Campinas, v.68,&nbsp; n.1,&nbsp;&nbsp; 2009. </span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">IBGE. Instituto Brasileiro de Geografia e Estat&iacute;stica. <strong>Produ&ccedil;&atilde;o Agr&iacute;cola Municipal</strong>, 2010. Dispon&iacute;vel em: http:// </span><span lang="EN-US"><a href="http://www.ibge.gov.br/"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;" lang="PT-BR"><span style="color: #0000ff;">www.ibge.gov.br</span></span></a></span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">. Acesso em janeiro de 2013. </span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-bidi-font-weight: bold;" lang="EN-US">Krishnan, A. <strong>Agroclimatic classification methods and their application to &Iacute;ndia</strong>. </span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Patancheru, &Iacute;ndia: IC</span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-bidi-font-weight: bold;" lang="EN-US">RISAT, 1980. p. 59-</span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">88. &nbsp;&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Lima, M. G.; Ribeiro, V. G. Equa&ccedil;&atilde;o de estimativa da temperatura do ar para o Estado do Piau&iacute;. <strong>Revista Brasileira de Agrometeorologia,</strong> Santa Maria, n.2, p. 221 &ndash; 227, 1998. &nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">&nbsp;</span></p><p class="MsoNormal" style="line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Maciel, J. L.; Dantas Neto, J.; Fernandes, P.D. </span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: #231f20; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin;">Resposta da goiabeira &agrave; l&acirc;mina de &aacute;gua</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: #231f20; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin;">e &agrave; aduba&ccedil;&atilde;o nitrogenada. </span><strong style="mso-bidi-font-weight: normal;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin;">R. Bras. Eng. Agr&iacute;c. Ambiental</span></strong><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin;">, v.11, n.6, p.571&ndash;577, 2007.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Moura Neto, L. G. de. Q</span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin;">ualidade p&oacute;s-colheita de goiabas cv. &ldquo;<em>paluma&rdquo; </em>submetidas</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin;">&agrave; aplica&ccedil;&atilde;o de cloreto de c&aacute;lcio armazenadas em temperaturas ambiente. <strong><span style="mso-bidi-font-style: italic;">ACSA - Agropecu&aacute;ria Cient&iacute;fica no Semi-&Aacute;rido</span></strong><span style="mso-bidi-font-style: italic;">, v.04, 27-31, 2008.</span></span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Natale, W.; Prado, R de. M.; Quaggio, J. A,; Mattos Junior, D de.</span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold;"> </span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">6. Goiabeira. 2010. Dispon&iacute;vel em: <strong>&lt;</strong></span><strong style="mso-bidi-font-weight: normal;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">http://<span class="Ttulo1Char"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; mso-ansi-language: PT-BR; mso-fareast-font-family: Calibri; mso-ansi-font-size: 12.0pt; mso-bidi-font-size: 12.0pt;"><em> </em></span></span>www.ipipotash.org/udocs/FRUTEIRAS_6_<span style="mso-bidi-font-weight: bold;">Goiabeira</span>.pdf&gt;</span></strong><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">. Acesso em: janeiro de 2013.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Oliveira, I. P. et al. Cultivo da goiabeira: do plantio ao manejo. <strong>Revista faculdade Montes Belos</strong>, v.5, n.4, agosto 2012.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Piza Junior, C de T.; Kavati, R. Goiaba de<span style="mso-spacerun: yes;">&nbsp; </span>Mesa (<em style="mso-bidi-font-style: normal;">Psidium guajava</em> L). Dispon&iacute;vel em:<strong> &lt;</strong></span><span style="font-family: Calibri;"><cite><strong style="mso-bidi-font-weight: normal;"><span style="font-size: 12pt; mso-ansi-language: PT-BR;">http://www.ceinfo.cnpat.embrapa.br/arquivos/artigo_2453.pdf.&gt; </span></strong></cite><cite><span style="font-size: 12pt; mso-ansi-language: PT-BR;">Acesso em: janeiro de 2013. </span></cite><cite></cite></span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Portela, G. L. F;</span><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;"> Lima, M. G. de.; Padua, L. E. de M.; Sinimbu Neto, F. de A.; Martins, A. B. G.<span style="mso-bidi-font-weight: bold;"> Zoneamento agroclim&aacute;tico da cultura da mangueira no Estado do Piau&iacute;. <sup><span style="mso-spacerun: yes;">&nbsp;</span></sup><strong>Rev. Bras. Frutic,</strong>,<strong> </strong>Jaboticabal,&nbsp;v.30,&nbsp;n.4,&nbsp;2008.</span></span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Sandre, L. C. G.; Fiorelli, J. Elabora&ccedil;&atilde;o de calend&aacute;rio agr&iacute;cola para a regi&atilde;o oeste do Estado de S&atilde;o Paulo. <strong>Rev. Ci&ecirc;nc. Ext</strong>., v.5, n.2, p.15-29, 2009.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: #d99594; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Sentelhas, P. C.; Pereira, A. R.; Marin, F. R.; Angelocci, L. R.; Alfonsi, R.R.; Caramori, P. H.; Swart, S. <strong>Balan&ccedil;os h&iacute;dricos climatol&oacute;gicos do Brasil</strong>. Piracicaba: ESALQ/USP, 1999. CD-Rom. </span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Souza, M. J. H. de.; Guimar&atilde;es, M. C.A.; Guimar&atilde;es, C. D.<span style="mso-spacerun: yes;">&nbsp; </span>L.; Freitas, W. da. S.; OLIVEIRA, A. M. S. Potencial agroclim&aacute;tico para a cultura da acerola no Estado de Minas Gerais. <strong>Rev. Bras. Eng. Agr&iacute;c. Ambient.</strong>,&nbsp;Campina Grande, &nbsp;v.10, n.2, 2006.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt; mso-layout-grid-align: none;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Souza, O. P.; Mancin, C. A.; Melo, B. A cultura da goiabeira, 2009. Dispon&iacute;vel em:<strong style="mso-bidi-font-weight: normal;">&lt;</strong> <strong style="mso-bidi-font-weight: normal;">http://www.fruticultura.iciag.ufu.br/goiabao.html&gt;</strong>. Acesso em: janeiro de 2013.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">Teixeira, A. H. de C.; Azevedo, P. V. Zoneamento agroclim&aacute;tico para a videira europ&eacute;ia no Estado de Pernambuco, Brasil. <strong>Revista Brasileira de Agrometeorologia,</strong> Campinas, v.4, n.1, p.139-145, 1996.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR;">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;" lang="EN-US">Thorntwaite, C.W. An approach toward a rational classification of climate. <strong style="mso-bidi-font-weight: normal;">Geographical Review</strong>, New York, v. 38, p 55-94, 1948.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;" lang="EN-US">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: black; font-size: 12pt;" lang="EN-US">Thornthwaite, C. W.; Mather, J.R. <strong style="mso-bidi-font-weight: normal;">The water balance</strong>. Publications in climatology. Laboratory of Climatology, New Gersey, v.8, 1955, 104p.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 14.2pt; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;" lang="EN-US">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;" lang="EN-US">Yadava, U. L. <strong style="mso-bidi-font-weight: normal;">Guava production in Georgia under cold-protection structure</strong>. In: J. Janick (ed.), Progress in new crops. ASHS Press, Arlington, VA. p.451-457, 1996.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;" lang="EN-US">&nbsp;</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 0cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">Werner, E. T.; Oliveira Junior, L. F. G. de.; Bona, A. P. de.; Cavati, B.; Gomes, T. D. U. H. Efeito do cloreto de c&aacute;lcio na p&oacute;s-colheita de goiaba Cortibel. <strong>Bragantia</strong>, Campinas, v.68, n.2, p.234-237, 2009.</span></p><p class="MsoNormal" style="text-align: justify; line-height: normal; text-indent: 1cm; margin: 0cm 0cm 0pt;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt; mso-ansi-language: PT-BR; mso-bidi-font-weight: bold;">&nbsp;</span></p>

Published

2013-10-01

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Original Articles / Artigos de Pesquisa