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  <controlfield tag="003">BR-BrBNA</controlfield>
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    <subfield code="a">Stinghen, Jussara Cristina </subfield>
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    <subfield code="a">Caton, Julio Marcos </subfield>
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    <subfield code="a">Sangoi, Luis </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Desempenho agron&#xF4;mico de cultivares de arroz irrigado cultivado em diferentes &#xE9;pocas de semeadura em Santa Catarina</subfield>
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Publica&#xE7;&#xE3;o online; 19 ref.; 5 tables; Summaries (En, Pt)</subfield>
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 Resumo &#x2013;   Maiores rentabilidade e sustentabilidade dos sistemas de produ&#xE7;&#xE3;o de arroz irrigado podem ser obtidas associando diversas tecnologias e pr&#xE1;ticas de manejo, dentre as quais se destaca a &#xE9;poca de semeadura. O objetivo deste estudo foi avaliar os efeitos de diferentes &#xE9;pocas de semeadura sobre o desempenho agron&#xF4;mico de cultivares de arroz irrigado recomendados para o estado de Santa Catarina. O experimento foi conduzido no munic&#xED;pio de Rio dos Cedros durante duas safras agr&#xED;colas. O  delineamento  experimental  foi  de  blocos  ao  acaso,  dispostos  em  parcelas  subdivididas.  Foram  testadas  quatro  &#xE9;pocas de semeadura na parcela principal: 10/09, 25/09, 10/10 e 25/10. Nas subparcelas foram avaliadas cinco cultivares de arroz irrigado: Epagri 109, SCS BRS Tio Taka, SCS116 Satoru, SCS121 CL e SCS122 Miura. Foram realizadas determina&#xE7;&#xF5;es referentes ao desempenho agron&#xF4;mico dos cultivares. Os resultados obtidos nas duas safras avaliadas demonstraram que os cultivares apresentam comportamento diferenciado de acordo com a &#xE9;poca de semeadura, o que pode ser relacionado com as condi&#xE7;&#xF5;es clim&#xE1;ticas ocorridas durante o desenvolvimento das plantas.



Termos para indexa&#xE7;&#xE3;o:   Oryza sativa L.; Semeadura antecipada; Produtividade.</subfield>
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Abstract &#x2013;   Greater profitability and sustainability of irrigated rice production systems can be achieved by associating different technologies  and  management  practi es,  such  as  the  choice  of  the  sowing  ti me.  The  aim  of  this  study  was  to  evaluate  the effects of different sowing times on the agronomic performance of irrigated rice cultivars recommended for the State of Santa Catarina. The experiment was set in the municipality of Rio dos Cedros during two growing seasons. The experimental design was randomized blocks, arranged in split plots. Four sowing dates were tested in the main plot: 09/10, 09/25, 10/10 and 10/25. In the subplots, five irrigated rice cultivars were evaluated: Epagri 109, SCS BRS Tio Taka, SCS116 Satoru, SCS121 CL and SCS122 Miura. Determinations regarding the agronomic performance of the cultivars were carried out. The results obtained in the two evaluated seasons showed that the cultivars present different behavior according to the sowing ti me, which can be related to the climatic conditions that occurred during the plants development.  



Index terms:   Oryza sativa L.;  Early seeding; Yield.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ARROZ IRRIGADO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">&#xC9;POCA DE SEMEADURA</subfield>
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    <subfield code="a">COMPORTAMENTO DE VARIEDADE</subfield>
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    <subfield code="a">CONDI&#xC7;&#xC3;O AMBIENTAL</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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    <subfield code="a">SANTA CATARINA</subfield>
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    <subfield code="0">1813</subfield>
    <subfield code="9">317209</subfield>
    <subfield code="d">Florian&#xF3;polis-SC Empresa de Pesquisa Agropecu&#xE1;ria e Extens&#xE3;o Rural de Santa Catarina 1988-</subfield>
    <subfield code="o">2024-3833</subfield>
    <subfield code="t">Agropecu&#xE1;ria Catarinense (Brazil)</subfield>
    <subfield code="x">0103-0779</subfield>
    <subfield code="g">v. 36(1) p. 44-49; (2023)</subfield>
    <subfield code="w">BR2025002753</subfield>
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    <subfield code="u">https://publicacoes.epagri.sc.gov.br/rac/article/view/1491/1473</subfield>
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    <subfield code="c">ANA</subfield>
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