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  <titleInfo>
    <title>Physiological changes in  soybean cultivated with soil  remineralizer in the Cerrado  under variable water regimes</title>
  </titleInfo>
  <name type="personal">
    <namePart>Pereira, Lucas Felisberto</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Ribeiro Junior, Walter Quadros</namePart>
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  <name type="personal">
    <namePart>Ramos, Maria Lucrécia Gerosa</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Santos, Nicolas Zendonadi dos</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Soares, Guilherme Filgueiras</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Casari, Raphael Augusto das Chagas Noqueli</namePart>
    <role>
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  <name type="personal">
    <namePart>Muller, Onno</namePart>
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  <name type="personal">
    <namePart>Tavares, Cássio Jardim</namePart>
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  <name type="personal">
    <namePart>Martins, Éder de Souza</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Rascher, Uwe</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  </name>
  <name type="personal">
    <namePart>Guimarães, Cristiane Andréa de Lima</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Pereira, André Ferreira</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Mertz-Henning, Liliane Márcia</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Sousa, Carlos Antonio Ferreira de</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 objective of this work was to evaluate the influence of the  soil remineralizer fine-graded mica schist (FMS) on soybean (Glycine max)  physiology, yield, and grain quality under different water regimes (WRs) in  the Brazilian Cerrado. The experiment was conducted under field conditions for two years, using four WRs and three treatments: mica schist, conventional fertilization, and control. In 2017 and 2018, the following WRs were evaluated: WR1, WR2, WR3, and WR4, corresponding to a mean value of 100, 65, 44, and 28% of crop evapotranspiration replacement, respectively. Photosynthesis,  stomatal conductance, transpiration, internal CO2 concentration, effective  quantum yield of photosystem II (PSII) (Fv’/Fm’), quantum yield (PSII) (ᶲFSII),  and electron transport rate reduced as a function of the advanced phenological  stage of soybean and the reduction in WR. Grain quality was only affected by  the WR. The mica schist was statistically similar to conventional fertilization and the control in 2017 and 2018. Yield decreased due to the anticipation of  soybean phenological age and WR, but there were no differences between the three treatments in 2017 and 2018. The reduction in soybean yield is  attributed to stomatal closure, loss of photoprotective capacity, and damage to  the photosynthetic machinery caused by drought.


Index terms: Glycine max, line source, mica schist, photosynthesis, water  stress</abstract>
  <abstract>
Resumo – O objetivo deste trabalho foi avaliar a influência do remineralizador  de solo finos de mica xisto (FMS) na fisiologia, na produtividade e na  qualidade de grãos de soja (Glycine max) em diferentes regimes hídricos  (RHs), no Cerrado brasileiro. O experimento foi conduzido em condições de  campo durante dois anos, tendo-se utilizado quatro RHs e três tratamentos: mica xisto, adubação  convencional e controle. Em 2017 e 2018, foram  avaliados os seguintes RHs: RH1, RH2, RH3 e RH4, que correspondiam  ao valor médio de 100, 65, 44 e 28% da reposição da evapotranspiração  da cultura, respectivamente. A fotossíntese, a condutância estomática, a transpiração, a concentração interna de CO2, o rendimento quântico efetivo  do fotossistema II (FSII) (Fv’/Fm’), o rendimento quântico (FSII) (ᶲFSII) e a taxa  de transporte de elétrons reduziram em função do avanço da fase fenológica  da soja e da redução do RH. A qualidade dos grãos foi afetada apenas pelo  RH. O mica xisto foi estatisticamente semelhante à adubação convencional  e ao controle em 2017 e 2018. A produtividade reduziu devido à antecipação da idade fenológica da soja e do RH, mas não houve  diferenças entre os três tratamentos em 2017 e 2018. A  redução da produtividade da soja é atribuída ao fechamento  estomático, à perda da capacidade fotoprotetora e aos danos  ao maquinário fotossintético causados pela seca.


Termos para indexação: Glycine max, linha de aspersores, mica xisto, fotossíntese, estresse hídrico</abstract>
  <note>Publicação on-line; 37 ref.; 5 tables; 3 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>CERRADO</topic>
  </subject>
  <subject>
    <topic>SOJA</topic>
  </subject>
  <subject>
    <topic>CONDIÇÃO AMBIENTAL</topic>
  </subject>
  <subject>
    <topic>DEFICIÊNCIA HÍDRICA</topic>
  </subject>
  <subject>
    <topic>FOTOSSÍNTESE</topic>
  </subject>
  <subject>
    <topic>FISIOLOGIA VEGETAL</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Pesquisa Agropecuária Brasileira (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Brasília-DF Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA 1966-</publisher>
    </originInfo>
    <identifier>2023-436357</identifier>
    <identifier type="issn">0100-204X</identifier>
    <identifier type="local">BR2024000315</identifier>
    <part>
      <text>v. 56 p. 1-11; (2021)</text>
    </part>
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  <identifier type="uri">https://www.scielo.br/j/pab/a/TfdqTLM87y9yHjDJMJn4bgd/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/pab/a/TfdqTLM87y9yHjDJMJn4bgd/?format=pdf&amp;lang=en</url>
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    <recordCreationDate encoding="marc">240416</recordCreationDate>
    <recordChangeDate encoding="iso8601">20240416142852.0</recordChangeDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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