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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251029153300.0</controlfield>
  <controlfield tag="008">251029b2020    bl.mr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="b">1660</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Cecconello, Antonio M. </subfield>
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    <subfield code="a">Trogello, Emerson </subfield>
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    <subfield code="a">Ferro, Jolcemar </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Rossato, Otavio B. </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">No-tillage curly lettuce cultivated under different spacings</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 27 ref.; 6 tables; Sumaries (En, Pt)</subfield>
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ABSTRACT: The use of appropriate cultural practices is important for the sustainability of the production system. This study aims to evaluate the agronomic performance of lettuce cultivar &#x2018;M&#xF4;nica&#x2019;, during two crop cycles, at the Instituto Federal Catarinense, Campus of Conc&#xF3;rdia, SC, Brazil. Two experiments were conducted in the field, arranged in randomized block design, in a 3 x 2 factorial scheme, evaluating the effects of three spacings (0.20 &#xD7; 0.20, 0.25 &#xD7; 0.25 and 0.30 &#xD7; 0.30 m), associated with two planting systems (conventional and no-tillage with millet), with four repetitions in the first cycle and five in the second. At 39 and 44 days after transplanting, six plants were harvested in the first and in the second cycles, respectively. Soil temperature, fresh and dry mass of the spontaneous plants, dry mass of roots, plant diameter, number of marketable leaves, fresh and dry mass of the plants were evaluated. Lettuce cultivated under no-tillage at larger spacings resulted in higher yield per plant, but higher yield per area was observed at smaller spacing. No-tillage reduced spontaneous plants and soil temperature in the West of Santa Catarina. 

Key words: Lactuca sativa L., millet, weeds, yield </subfield>
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RESUMO: O uso de pr&#xE1;ticas culturais adequadas &#xE9; importante para a sustentabilidade do sistema de produ&#xE7;&#xE3;o. Este estudo objetiva avaliar o desempenho agron&#xF4;mico da cultivar de alface &#x2018;M&#xF4;nica&#x2019;, durante dois ciclos de cultivo, no Instituto Federal Catarinense, Campus Conc&#xF3;rdia, SC. Foram conduzidos dois experimentos no campo, dispostos em blocos casualizados, em esquema fatorial 3 x 2, sendo avaliados os efeitos de tr&#xEA;s espa&#xE7;amentos (0,20 &#xD7; 0,20; 0,25 &#xD7; 0,25 e 0,30 &#xD7; 0,30 m), associados a dois sistemas de plantio (convencional e plantio direto com milheto), com quatro repeti&#xE7;&#xF5;es no primeiro ciclo e cinco no segundo. Decorridos 39 e 44 dias ap&#xF3;s o transplante foi feita a colheita de 6 plantas centrais no primeiro e no segundo ciclo, respectivamente. Foram avaliados a temperatura do solo, massa fresca e seca das plantas espont&#xE2;neas, massa seca das ra&#xED;zes, di&#xE2;metro da planta, n&#xFA;mero de folhas comerciais por planta, massa fresca e seca das plantas. A alface cultivada em plantio direto em espa&#xE7;amentos maiores obteve maior produtividade por planta, contudo, maior produtividade por &#xE1;rea foi observada em menor espa&#xE7;amento. O plantio direto reduziu as plantas espont&#xE2;neas e a temperatura do solo no Oeste Catarinense. 

Palavras-chave: Lactuca sativa L., milheto, plantas espont&#xE2;neas, produtividade</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PLANTIO DIRETO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ALFACE</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ESPA&#xC7;AMENTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PR&#xC1;TICA CULTURAL</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3534</subfield>
    <subfield code="9">317785</subfield>
    <subfield code="d">Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ci&#xEA;ncias e Tecnologia 1997</subfield>
    <subfield code="o">2024-4506</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. 24 (4) p. 231-237; (2020)</subfield>
    <subfield code="w">BR2025001691</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbeaa/a/7H4KY8jqcPdcKzZz9Cvd7hy/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">338858</subfield>
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