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  <titleInfo>
    <title>Spatial and temporal variability of soil and plant attributes after application of cellulose residue</title>
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  <name type="personal">
    <namePart>Lima, Elizeu de Souza</namePart>
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  <name type="personal">
    <namePart>Souza, Zigomar Menezes de</namePart>
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  <name type="personal">
    <namePart>Montanari, Rafael</namePart>
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  <name type="personal">
    <namePart>Lovera, Lenon Henrique</namePart>
    <role>
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  <name type="personal">
    <namePart>Torres, Jose Luiz Rodrigues</namePart>
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  <name type="personal">
    <namePart>Esteban, Diego Alexander Aguilera</namePart>
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  <name type="personal">
    <namePart>Oliveira, Ingrid Nehmi de</namePart>
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  <name type="personal">
    <namePart>Bartieres, Edinéia Messias Martins</namePart>
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ABSTRACT:     The industries of cellulose and paper have generated large amounts of solid waste and effluents which have been used as soil conditioners and source of nutrients to improve physical and chemical attributes of areas growing forest species. This study analyzes the spatial and temporal variability of Eucalyptus urograndis regarding the chemical attributes of soil treated with cellulose residue. The fertilization of an experimental area in the Três Lagoas county used a lime sludge/Oxyfertil® compound with a 2 ha. experimental grid containing 50 sampling points set up over it. Plant and soil samples were collected during three consecutive years (2014/2015, 2015/2016; 2016/2017). The assessment encompassed the following chemical attributes organic matter (OM); potential of hydrogen (pH); phosphorus (P), potassium (K+), calcium (Ca2+), magnesium (Mg2+) and aluminum (Al3+) contents; potential acidity (H+ + Al3+), sum of the bases (SB), cation exchange capacity (CEC), base saturation (V%), and aluminum saturation (m%), at the 0.00-0.20 m layer. Classical statistical analysis was performed using SAS software while geostatistical analysis used GS+. Low P, K+, Ca2+, and Mg2+ contents were indicated along the assessment period. OM and Al were the attributes that presented spatial and temporal dependence for all evaluated years. Also, the measured levels are considered sufficient for eucalyptus to establish in sandy soils. We also verified the space-temporal variability since nutrient ranges changed during the assessed period.  



Key words:      effluents; eucalyptus; fertility; geoestatistics; solid waste</abstract>
  <abstract>


RESUMO:      As indústrias de celulose e papel têm gerado elevadas quantidades de resíduos sólidos e efluentes, que vem sendo utilizados como condicionadores do solo e como fonte de nutrientes para melhorar os atributos químicos e físicos das áreas que vem sendo cultivadas com espécies florestais. O objetivo deste estudo foi analisar a variabilidade espacial e temporal do Eucalyptus urograndis em função dos atributos químicos do solo sob aplicação de resíduo da celulose como fertilizante agrícola. O solo foi adubado com o composto Lama de Cal + Oxyfertil, em seguida instalou-se uma malha experimental de 2 ha, contendo 50 pontos amostrais e posteriormente foram coletados atributos de planta e solos em três anos consecutivos no município de Três Lagoas. Os atributos químicos avaliados foram matéria orgânica (MO), potencial hidrogeniônico (pH), teores de fósforo (P), potássio (K+), cálcio (Ca2+), magnésio (Mg2+), acidez potencial (H+ + Al3+), alumínio (Al3+), valores de soma de bases (SB), capacidade de troca catiônica (CTC), saturação por bases (V%) e saturação por alumínio (m%) na camada de 0,00-0,20. A análise estática clássica foi realizada por meio do software SAS e a geoestatística pelo GS+. Os atributos de solo P, K+, Ca2+ e Mg2+ apresentaram baixos teores nos anos avaliados, no entanto, esses teores são suficientes para que a cultura de eucalipto se estabeleça em solos arenosos. Por outro lado, houve variabilidade espaço-temporal entre os anos avaliados, visto que para um mesmo nutriente o alcance foi diferente entre os anos.   



Palavras-chave:      efluentes; eucalipto; fertilidade; geoestatística; resíduos sólidos</abstract>
  <note>

Publicação online; 31 ref.; 5 tables; Summaries (En, Pt)</note>
  <subject>
    <topic>EUCALIPTO</topic>
  </subject>
  <subject>
    <topic>ANÁLISE DO SOLO</topic>
  </subject>
  <subject>
    <topic>PROPRIEDADE  FÍSICO-QUÍMICA</topic>
  </subject>
  <subject>
    <topic>RESÍDUO</topic>
  </subject>
  <subject>
    <topic>CELULOSE</topic>
  </subject>
  <subject>
    <topic>FERTILIZANTE</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista Brasileira de Ciências Agrárias (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Recife-PE Universidade Federal Rural de Pernambuco 2006</publisher>
    </originInfo>
    <identifier>2026-1087</identifier>
    <identifier type="issn">1981-1160</identifier>
    <identifier type="local">BR2026000021</identifier>
    <part>
      <text>v. 13(4) p. 1-9; (2018)</text>
    </part>
  </relatedItem>
  <identifier type="uri">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v13i4a5598/296</identifier>
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    <url>http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v13i4a5598/296</url>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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