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  <leader>03927nab a2200301 i 4500</leader>
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    <subfield code="a">V&#xE9;ras, Mario Leno Martins </subfield>
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    <subfield code="a">Alves, Lunara de Sousa </subfield>
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    <subfield code="a">Melo Filho, Jos&#xE9; Sebasti&#xE3;o de </subfield>
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    <subfield code="a">Irineu, Toni Halan da Silva </subfield>
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    <subfield code="a">Efeito da aduba&#xE7;&#xE3;o org&#xE2;nica no crescimento, produ&#xE7;&#xE3;o e ac&#xFA;mulo de biomassa em algodoeiro</subfield>
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Publica&#xE7;&#xE3;o online; 27 ref.; 3 illus.; Summaries (En, Pt)</subfield>
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Resumo:    O algodoeiro apresenta grande import&#xE2;ncia econ&#xF4;mica, sendo considerada a principal cultura de fibra no mundo todo. Neste contexto, objetivou-se avaliar o efeito de doses e fontes de aduba&#xE7;&#xE3;o org&#xE2;nica no   crescimento   e   produ&#xE7;&#xE3;o   do   algodoeiro.   O   delineamento   experimental   utilizado   foi   inteiramente casualizado,  em  esquema  fatorial  de  4  x  2,  em  6  blocos,  com  tr&#xEA;s  plantas  por  unidade  experimental, totalizando 144 unidades experimentais. Os tratamentos constaram da combina&#xE7;&#xE3;o de diferentes doses: (0, 2, 4  e 6 t/ha-1)  e  2 fontes de aduba&#xE7;&#xE3;o org&#xE2;nica: (A1  = torta de mamona e A2 =  esterco caprino).  Aos 120 DAS  avaliaram-se:  n&#xFA;mero  de  bot&#xF5;es  florais,  n&#xFA;mero de  capulhos  por  planta,  peso  de  capulhos,  peso  de plumas,  n&#xFA;mero  de  sementes  por  capulho,  n&#xFA;mero  de  sementes  por  planta  e  porcentagem  de  fibra.  Os dados  foram  submetidos  &#xE0;  an&#xE1;lise  de  vari&#xE2;ncia  pelo teste  &#x201C;F&#x201D;  e,  em  caso  de  signific&#xE2;ncia,  foi  realizada  a an&#xE1;lise  regress&#xE3;o  polinomial  linear  e  quadr&#xE1;tica.  A  aduba&#xE7;&#xE3;o  com  esterco  caprino  promoveu  maior produ&#xE7;&#xE3;o  de  algod&#xE3;o  cv.  Rubi;  a  quantidade  de  6  t/ha-1 de  esterco  caprino  elevou  as  caracter&#xED;sticas produtivas de algod&#xE3;o; n&#xE3;o se recomenda a utiliza&#xE7;&#xE3;o de torta de mamona para aduba&#xE7;&#xE3;o de algodoeiro cv. Rubi. 


Palavras-chave:    Gossypium hirsutum L., Insumos org&#xE2;nicos, Produtividade</subfield>
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Abstract:    Cotton is of great economic importance and is considered the main fiber culture worldwide. In this context,  the  objective  was  to  evaluate  the  effect  of  doses  and  sources  of  organic  fertilization  on  the  growth and production of cotton. The experimental design was completely randomized, in a factorial scheme of 4 x 2,  in  6  blocks,  with  three  plants  per  experimental unit,  totaling  144  experimental  units.  The  treatments consisted of the combination of different doses: (0, 2, 4 and 6 t / ha-1) and 2 sources of organic fertilization: (A1  =  castor  bean  cake  and  A2  =  goat  manure).  The  120  DAS  were  evaluated:  number  of  flower  buds, number  of  buds  per  plant,  weight  of  buds,  weight  of  feathers,  number  of seeds  per  bush,  number  of seeds per  plant  and  percentage  of  fiber.  The  data  were  submitted  to  analysis  of  variance  by  the  "F"  test  and,  in case  of  significance,  the  analysis  was  linear  and  quadratic  polynomial  regression.  Fertilization  with goat manure promoted higher production of cotton cv. Ruby; the amount of 6 t / ha-1 of goat manure increased the productive characteristics of cotton; it is not recommended to use castor-oil cake for fertilization of cotton cv. Ruby. 


Keywords:    Gossypium hirsutum L., Organics inputs, Produtivity.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ALGOD&#xC3;O</subfield>
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    <subfield code="a">CRESCIMENTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ADUBO ORG&#xC2;NICO</subfield>
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    <subfield code="a">BIOMASSA</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3583</subfield>
    <subfield code="9">350396</subfield>
    <subfield code="d">Cruz das Almas-BA Universidade Federal da Bahia - Escola de Agron&#xF4;mia 1983</subfield>
    <subfield code="o">2025-3014</subfield>
    <subfield code="t">Magistra (Brazil)</subfield>
    <subfield code="x">0102-5333</subfield>
    <subfield code="g">v. 29(2) p. 172-181; (2017)</subfield>
    <subfield code="w">BR2025002890</subfield>
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    <subfield code="u">https://periodicos.ufrb.edu.br/index.php/magistra/article/view/4065/2129</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">331536</subfield>
    <subfield code="d">331536</subfield>
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