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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251221150153.0</controlfield>
  <controlfield tag="008">251221b2021    bl.|r|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="b">1060</subfield>
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    <subfield code="a">Pacheco, Camilla de Andrade </subfield>
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    <subfield code="a">Girardi, Eduardo Augusto </subfield>
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    <subfield code="a">Silva, Samuel de Moura </subfield>
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    <subfield code="a">Gueiros, Jos&#xE9; Adelmo Souto </subfield>
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    <subfield code="a">Bassanezi, Renato Beozzo </subfield>
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    <subfield code="a">Potential of soil cover with plastic film for the setting of sweet orange orchards</subfield>
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Publica&#xE7;&#xE3;o online; 36 ref.; 8 illus.; Summaries (En, Pt)</subfield>
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Abstract &#x2013;      Soil cover with plastic film is a practice used to optimize the agronomic performance of different crops, but its behavior in the citrus growing conditions of Brazil remains unknown. Five experiments in commercial orchards located in the state of S&#xE3;o Paulo, in rainfed or irrigated systems, were carried out to evaluate the effect of soil cover with plastic film (white/black or silver/black color) on the vegetative growth and initial production of sweet orange trees up to 3.5 years after planting. In each location and experiment, completely randomized design was used, with four to ten replicates and five to twelve useful trees per plot. Considering the set of results, soil cover with plastic film increased the average canopy volume by 27% and the average production per tree by 33% compared to control trees without plastic cover. The positive effect of plastic cover was observed until the third year of its application, gradually decreasing with its degradation. In general, greater relative increases were observed in variables evaluated with the use of plastic cover in rainfed experiments than irrigated ones, while the effect of white/black either silver/black films was similar.



Index terms:      Citrus sinensis, plasticulture, production system, planting, plant growth</subfield>
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Resumo -      A cobertura do solo com filme pl&#xE1;stico &#xE9; uma pr&#xE1;tica utilizada para otimizar o desempenho agron&#xF4;mico de diferentes culturas, mas n&#xE3;o se conhece seu comportamento nas condi&#xE7;&#xF5;es de cultivo de citros no Brasil. Cinco experimentos em pomares comerciais localizados no Estado de S&#xE3;o Paulo, em sequeiro ou irrigados, foram realizados para avaliar o efeito da cobertura de solo com filme pl&#xE1;stico (cor branca/preta ou prata/preta) no crescimento vegetativo e na produ&#xE7;&#xE3;o inicial de laranjeiras-doces at&#xE9; 3,5 anos ap&#xF3;s o plantio. Em cada localidade e experimento, utilizou-se delineamento inteiramente casualizado, com quatro a dez repeti&#xE7;&#xF5;es e de cinco a doze plantas &#xFA;teis por parcela. Considerando-se o conjunto de resultados, a cobertura de solo com filme pl&#xE1;stico aumentou, em m&#xE9;dia, 27% o volume de copa e 33% a produ&#xE7;&#xE3;o m&#xE9;dia por planta em rela&#xE7;&#xE3;o &#xE0; testemunha sem cobertura. O efeito positivo da cobertura foi observado at&#xE9; o terceiro ano de sua aplica&#xE7;&#xE3;o, reduzindo-se gradativamente com sua degrada&#xE7;&#xE3;o. Em geral, observaram-se maiores incrementos relativos nas vari&#xE1;veis avaliadas com o uso da cobertura nos experimentos de sequeiro em rela&#xE7;&#xE3;o aos irrigados, enquanto o efeito de filmes nas cores branca/preta e prata/preta foi similar.



Termos para indexa&#xE7;&#xE3;o:      Citrus sinensis, plasticultura, sistema de produ&#xE7;&#xE3;o, plantio, crescimento de planta.</subfield>
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    <subfield code="a">LARANJA</subfield>
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    <subfield code="a">COBERTURA DO SOLO</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">CRESCIMENTO</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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    <subfield code="0">805</subfield>
    <subfield code="9">317052</subfield>
    <subfield code="d">Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</subfield>
    <subfield code="o">2024-3614</subfield>
    <subfield code="t">Revista Brasileira de Fruticultura (Brazil)</subfield>
    <subfield code="x">0100-2945</subfield>
    <subfield code="g">v. 43(3) p. 1-14; (2021)</subfield>
    <subfield code="w">BR2025004798</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbf/a/NmC5bknSfgJHJYSfhnv5jFv/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">339531</subfield>
    <subfield code="d">339531</subfield>
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