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  <titleInfo>
    <title>Natural reactive phosphate and poultry litter association on growth of forage grasses in an Amazonian Oxisol</title>
  </titleInfo>
  <name type="personal">
    <namePart>Souza Junior, João Cardoso de</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Silva Júnior, Mário Lopes da</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Garcez, Tiago Barreto</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Richart, Aline Cristina</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Barbosa, Natalia Guarino Souza</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
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  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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  <abstract>

ABSTRACT:    The interaction of natural reactive phosphate with poultry litter may increase the production of forage grasses as a result of phosphorus (P) uptake. This study’s goal was to analyze growth, production and P concentration of diagnostic leaves of forage grasses fertilized  by  an  Arad  reactive  phosphate  +    poultry  litter  association.  The  experiment  employed  a  23  factorial,  with  the  following  factors:  forage  grasses  (Urochloa  brizanthaand Panicum  maximum),  Arad  rates  (0  and  50  mg  dm-3  P2O5),  and  poultry  litter  (0  and  7.5 g dm-3). At the first harvest, the highest dry-matter production of leaves, sheaths +  stems and shoots occurred in the interaction P. maximum × Arad × poultry litter. P concentrations in diagnostic leaves as well as number of leaves were similar between forage grasses, but higher in the interaction between Arad +   poultry litter when compared to isolated fertilizers. At the second harvest, dry-matter production of shoots and sheaths +   stems was higher in the U.  brizantha  +  poultry  litter  interaction  than  in  other  interactions.  Compared  to  the  other fertilizers, P concentration in the diagnostic leaves at second harvest was higher in grasses fertilized with poultry litter. At second harvest, the number of leaves and tillers was highest in the U. brizantha +    Arad + poultry litter interaction, followed by the Arad + poultry litter interaction. The association of Arad and poultry litter promotes adequate P nutrition and biomass production of forage grasses, and can therefore be considered an important instrument for the establishment of these grasses. 



KEYWORDS:   Arad, Urochloa brizantha, Organic fertilization, Panicum maximum</abstract>
  <abstract>

RESUMO:    A interação do fosfato natural reativo de Arad com a Cama de aviário pode incrementar a produção de gramíneas forrageiras como resultado da absorção de fósforo (P).O  objetivo  deste  artigo  foi  analisar  o  crescimento,  a  produção  e  a  concentração  de  P  nas  folhas  diagnósticas  de  gramíneas  forrageiras  de  acordo  com  a  associação  arad  +  cama  de  aviário.  O  experimento  foi  conduzido  num  fatorial  23,  com  os  fatores:  forrageiras (Urochloa brizantha e Panicum maximum), doses de Arad (0 e 50 mg dm-3 de P2O5) e doses de Cama de aviário (0 e 7,5 g dm-3). No primeiro corte, os maiores valores de massa seca de folhas, colmo + bainha e parte aérea ocorreram na interação P. maximum× Arad × Cama de aviário. A concentração de P nas folhas diagnósticas e o número de folhas foram similares entre as forrageiras, contudo maiores na interação entre Arad × Cama de aviário, em comparação aos fertilizantes isolados. No segundo corte, a massa seca da parte aérea e de colmo +    bainha foi maior na interação U. brizantha × Cama de aviário do que nas demais combinações. A concentração de P nas folhas diagnósticas do segundo corte foram maiores nas gramíneas fertilizadas com cama de aviário em relação aos outros fertilizantes. No segundo crescimento, o número de folhas e de perfilhos foram maiores nas interações U. brizantha × Arad × Cama de aviário e Arad × Cama de aviário, respectivamente. A associação Arad + Cama de aviário promoveu adequados suprimento de P e produção de massa para forrageiras, caracterizando-se como importante ferramenta para o estabelecimento dessas gramíneas. 


PALAVRAS-CHAVE:   Arad, Urochloa brizantha, Fertilização orgânica, Panicum maximum</abstract>
  <note>
Publicação online; 30 ref.; 6 tables, Summaries (En, Pt)</note>
  <subject>
    <topic>LATOSSOLO</topic>
  </subject>
  <subject>
    <topic>GRAMÍNIA FORRAGEIRA</topic>
  </subject>
  <subject>
    <topic>FERTILIZANTE</topic>
  </subject>
  <subject>
    <topic>RESÍDUO ORGÂNICO</topic>
  </subject>
  <subject>
    <topic>ANÁLISE FOLIAR</topic>
  </subject>
  <subject>
    <topic>ABSORÇÃO DE NUTRIENTES</topic>
  </subject>
  <subject>
    <topic>AMAZÔNIA</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista de Ciências Agrárias (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Belém-PA Faculdade de Ciências Agrárias do Pará 1999</publisher>
    </originInfo>
    <identifier>2024-6645</identifier>
    <identifier type="issn">1517-591X Impresso/Versão online ISSN 2177-8760</identifier>
    <identifier type="local">BR2025001371</identifier>
    <part>
      <text>v. 61 p. 1-7; (2018)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://ajaes.ufra.edu.br/index.php/ajaes/article/view/2667/1517</identifier>
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    <url>https://ajaes.ufra.edu.br/index.php/ajaes/article/view/2667/1517</url>
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    <recordCreationDate encoding="marc">250530</recordCreationDate>
    <recordChangeDate encoding="iso8601">20250530101135.0</recordChangeDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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