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  <controlfield tag="005">20250520160621.0</controlfield>
  <controlfield tag="008">250520b2018    bl.mr|pooa||| 00| 0 por |</controlfield>
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    <subfield code="a">Primo, Anacl&#xE1;udia Alves </subfield>
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    <subfield code="a">Melo, Maria Diana </subfield>
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    <subfield code="a">Pereira, Graziella de Andrade Carvalho </subfield>
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    <subfield code="a">Silva, Ludmyla Ara&#xFA;jo </subfield>
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    <subfield code="a">Fernandes, Francisco &#xC9;den Paiva </subfield>
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    <subfield code="a">Souza, Henrique Antunes de </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Potencial fertilizante da serapilheira de esp&#xE9;cies lenhosas da Caatinga na recupera&#xE7;&#xE3;o de um solo degradado</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 28 ref.; 6 tables; Sumaries (Pt, En)</subfield>
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RESUMO - O uso da serapilheira de esp&#xE9;cies da Caatinga, na recupera&#xE7;&#xE3;o de solos degradados, &#xE9; uma alternativa interessantepor contribuir para o retorno de nutrientes para o solo e favorecer a ciclagem de elementos e a melhoria da fertilidade. Objetivou-se, com este trabalho, mensurar os efeitos da aplica&#xE7;&#xE3;o de doses da fra&#xE7;&#xE3;o folhas, da serapilheira de oito esp&#xE9;cies da Caatinga, sobre a fertilidade de um solo degradado e a produ&#xE7;&#xE3;o de sorgo. Adotou-se delineamento em blocos casualizados, com cinco tratamentos e cinco repeti&#xE7;&#xF5;es, com doses de serapilheira, equivalentes a 0, 15, 30, 60 e 120 kg ha-1 de N, por esp&#xE9;cie. O experimento foi conduzido em casa de vegeta&#xE7;&#xE3;o, utilizando-se um Planossolo N&#xE1;trico &#xD3;rtico coletado em &#xE1;rea degradada do munic&#xED;pio de Irau&#xE7;uba, CE. Coletaram-se folhas, sem sinal de decomposi&#xE7;&#xE3;o, de Combretum leprosum Mart., Mimosa caesalpiniifolia Benth., Mimosa tenuiflora (Willd.) Poir., Libidibia ferrea (Mart. ExTul.) L.P. Queiroz, Poncianella piramydalis (Tul.) L.P. Queiroz, Aspidosperma pyrifolium Mart, Cordia oncocalyx Allem&#xE3;o e Croton sonderianus Muell. Arg. Aos 75 dias ap&#xF3;s a germina&#xE7;&#xE3;o, realizou-se o corte das plantas, sua secagem e a quantifica&#xE7;&#xE3;o da mat&#xE9;ria seca e a an&#xE1;lise de N-total e do ac&#xFA;mulo de N. A amostragem do solo foi feita ap&#xF3;s o corte do sorgo. O incremento das doses dos res&#xED;duos de mofumbo, juc&#xE1;, catingueira, pereiro e pau-branco elevou as concentra&#xE7;&#xF5;es de P, K, Ca e Mg, o res&#xED;duo de marmeleiro acidificou o solo. Jurema e pau-branco elevaram a produ&#xE7;&#xE3;o de biomassa do sorgo e o ac&#xFA;mulo de N.

Palavras-chave: fertilidade do solo; res&#xED;duos org&#xE2;nicos; Sorghum bicolor.</subfield>
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ABSTRACT - The use of litterfall of Caatinga species in the recovery of degraded soils is an interesting alternative to contribute to the return of nutrients to the soil, favoring the cycling of elements and the improvement of fertility. The aim was to measure the effects of the application of leaf litter fraction of eight Caatinga species on the fertility of a degraded soil and the production of sorghum, which was the plant tested. A completely randomized block design with five treatments and five replications was used, with litterfall doses equivalent to 0, 15, 30, 60, and 120 kg ha-1 of N for each species. The experiment was conducted in a greenhouse, using a Planosol collected in a degraded area in Irau&#xE7;uba - CE, Brazil. We collected leaves of Combretum leprosum Mart., Mimosa caesalpiniifolia Benth., Mimosa tenuiflora (Willd.) Poir., Libidibia f&#xE9;rrea (Mart. ExTul.) L.P. Queiroz, Poncianella piramydalis (Tul.) L.P. Queiroz, Aspidosperma pyrifolium Mart, Cordia oncocalyx Allem&#xE3;o, and Croton sonderianus Muell. Arg., with no sign of decomposition. At 75 days following germination, the plants were cut and dried in an oven for the quantification of the dry mass and total N and N accumulation analysis. Soil sampling was performed after sorghum cutting. The increment of doses from residues of mofumbo, juc&#xE1;, catingueira, pereiro, and pau-branco increased the concentrations of P, K, Ca, and Mg, thus increasing the soil CEC; the marmeleiro residue acidified the soil. Grain sorghum that received litterfall from jurema and pau-branco had greater biomass and N accumulation.

Key words: soil fertility; organic waste; Sorghum bicolor.</subfield>
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    <subfield code="a">CAATINGA</subfield>
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    <subfield code="a">SERAPILHEIRA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">RES&#xCD;DUO ORG&#xC2;NICO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">FERTILIDADE DO SOLO</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">788</subfield>
    <subfield code="9">345075</subfield>
    <subfield code="d">Vi&#xE7;osa-MG Universidade Federal de Vi&#xE7;osa 1944</subfield>
    <subfield code="o">2024-5491</subfield>
    <subfield code="t">Revista Ceres (Brazil)</subfield>
    <subfield code="x">0034-737X</subfield>
    <subfield code="g">v. 65 (1) p. 74-84; (2018)</subfield>
    <subfield code="w">BR2025001124</subfield>
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    <subfield code="u">https://www.scielo.br/j/rceres/a/RzyLpjbsZCtf7QNrc34BrBP/?format=pdf&amp;lang=pt</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">331620</subfield>
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