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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20240416142852.0</controlfield>
  <controlfield tag="008">240416b2021    bl.ar|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="a">H50</subfield>
    <subfield code="b">0336</subfield>
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    <subfield code="a">F61</subfield>
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    <subfield code="a">Pereira, Lucas Felisberto</subfield>
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    <subfield code="a">Ribeiro Junior, Walter Quadros</subfield>
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    <subfield code="a">Ramos, Maria Lucr&#xE9;cia Gerosa</subfield>
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    <subfield code="a">Santos, Nicolas Zendonadi dos</subfield>
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    <subfield code="a">Soares, Guilherme Filgueiras</subfield>
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    <subfield code="a">Casari, Raphael Augusto das Chagas Noqueli</subfield>
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    <subfield code="a">Muller, Onno</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Tavares, C&#xE1;ssio Jardim</subfield>
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    <subfield code="a">Martins, &#xC9;der de Souza</subfield>
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    <subfield code="a">Rascher, Uwe</subfield>
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    <subfield code="a">Guimar&#xE3;es, Cristiane Andr&#xE9;a de Lima</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Pereira, Andr&#xE9; Ferreira</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Mertz-Henning, Liliane M&#xE1;rcia</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Sousa, Carlos Antonio Ferreira de</subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Physiological changes in  soybean cultivated with soil  remineralizer in the Cerrado  under variable water regimes</subfield>
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  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 37 ref.; 5 tables; 3 illus.; Summaries (En, Pt)</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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Abstract &#x2013; 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&#x2019;/Fm&#x2019;), quantum yield (PSII) (&#x1DB2;FSII),  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</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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Resumo &#x2013; O objetivo deste trabalho foi avaliar a influ&#xEA;ncia do remineralizador  de solo finos de mica xisto (FMS) na fisiologia, na produtividade e na  qualidade de gr&#xE3;os de soja (Glycine max) em diferentes regimes h&#xED;dricos  (RHs), no Cerrado brasileiro. O experimento foi conduzido em condi&#xE7;&#xF5;es de  campo durante dois anos, tendo-se utilizado quatro RHs e tr&#xEA;s tratamentos: mica xisto, aduba&#xE7;&#xE3;o  convencional e controle. Em 2017 e 2018, foram  avaliados os seguintes RHs: RH1, RH2, RH3 e RH4, que correspondiam  ao valor m&#xE9;dio de 100, 65, 44 e 28% da reposi&#xE7;&#xE3;o da evapotranspira&#xE7;&#xE3;o  da cultura, respectivamente. A fotoss&#xED;ntese, a condut&#xE2;ncia estom&#xE1;tica, a transpira&#xE7;&#xE3;o, a concentra&#xE7;&#xE3;o interna de CO2, o rendimento qu&#xE2;ntico efetivo  do fotossistema II (FSII) (Fv&#x2019;/Fm&#x2019;), o rendimento qu&#xE2;ntico (FSII) (&#x1DB2;FSII) e a taxa  de transporte de el&#xE9;trons reduziram em fun&#xE7;&#xE3;o do avan&#xE7;o da fase fenol&#xF3;gica  da soja e da redu&#xE7;&#xE3;o do RH. A qualidade dos gr&#xE3;os foi afetada apenas pelo  RH. O mica xisto foi estatisticamente semelhante &#xE0; aduba&#xE7;&#xE3;o convencional  e ao controle em 2017 e 2018. A produtividade reduziu devido &#xE0; antecipa&#xE7;&#xE3;o da idade fenol&#xF3;gica da soja e do RH, mas n&#xE3;o houve  diferen&#xE7;as entre os tr&#xEA;s tratamentos em 2017 e 2018. A  redu&#xE7;&#xE3;o da produtividade da soja &#xE9; atribu&#xED;da ao fechamento  estom&#xE1;tico, &#xE0; perda da capacidade fotoprotetora e aos danos  ao maquin&#xE1;rio fotossint&#xE9;tico causados pela seca.


Termos para indexa&#xE7;&#xE3;o: Glycine max, linha de aspersores, mica xisto, fotoss&#xED;ntese, estresse h&#xED;drico</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CERRADO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SOJA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CONDI&#xC7;&#xC3;O AMBIENTAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DEFICI&#xCA;NCIA H&#xCD;DRICA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">FOTOSS&#xCD;NTESE</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">FISIOLOGIA VEGETAL</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">920</subfield>
    <subfield code="9">25801</subfield>
    <subfield code="d">Bras&#xED;lia-DF Empresa Brasileira de Pesquisa Agropecu&#xE1;ria - EMBRAPA 1966-</subfield>
    <subfield code="o">2023-436357</subfield>
    <subfield code="t">Pesquisa Agropecu&#xE1;ria Brasileira (Brazil)</subfield>
    <subfield code="x">0100-204X</subfield>
    <subfield code="g">v. 56 p. 1-11; (2021)</subfield>
    <subfield code="w">BR2024000315</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/pab/a/TfdqTLM87y9yHjDJMJn4bgd/?format=pdf&amp;lang=en</subfield>
  </datafield>
  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">Anal&#xED;tica</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">299204</subfield>
    <subfield code="d">299204</subfield>
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