2011
DOI: 10.1590/s0100-06832011000600025
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Atributos físicos e carbono orgânico em latossolo vermelho sob diferentes sistemas de uso e manejo

Abstract: & Tadeu Takeyshi Inoue (5) RESUMOA compreensão e a quantificação do impacto dos sistemas de uso e manejo nos teores de C orgânico do solo (COS) e em propriedades físicas são fundamentais para o desenvolvimento de sistemas agrícolas sustentáveis. O objetivo deste trabalho foi avaliar alterações em alguns atributos físicos e COS de um Latossolo Vermelho da região noroeste do Paraná sob diferentes sistemas de uso e manejo: mata nativa, pastagem e as culturas de mandioca e de cana-de-açúcar. Foram coletadas amostr… Show more

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Cited by 46 publications
(39 citation statements)
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References 31 publications
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“…Lanzanova et al (2007) verified the absence of changes in Mi in an Alfisol clay-loam under different grazing intensity in NT. Viana et al (2011) obtained similar results in a sandy-loam Oxisol for different soil uses. Therefore, results obtained in this work reinforce that Ma is the TP fraction more susceptible to changes in the soil use and management, mainly due to the increase in Db.…”
Section: Resultssupporting
confidence: 59%
“…Lanzanova et al (2007) verified the absence of changes in Mi in an Alfisol clay-loam under different grazing intensity in NT. Viana et al (2011) obtained similar results in a sandy-loam Oxisol for different soil uses. Therefore, results obtained in this work reinforce that Ma is the TP fraction more susceptible to changes in the soil use and management, mainly due to the increase in Db.…”
Section: Resultssupporting
confidence: 59%
“…These results are in line with those reported by Viana et al (2011), working with an Oxisol (Latossolo Vermelho) under different management systems, and Baquero et al (2012), working with an Oxisol under sugarcane. The occurrence of the LΔμ structure (loose and some structural porosity visible, see figure 1) at depths of 0.00-0.22 m and the CΔ structure (continuous and no structural porosity visible, see figure 1) at depths Rev Bras Cienc Solo 2017;41:e0160503 of 0.22-0.55 m was most likely due to the use of heavy machinery during cultivation (formation of the LΔμ structure) and harvest (transportation) (formation of the CΔ structure) over 10 years.…”
Section: Soil Profilesupporting
confidence: 91%
“…The material of origin consisted of weathered residues from the Caiuá Sandstone Formation within the São Bento Group from the Cretaceous period (Viana et al, 2011). The slope was approximately 4 %.…”
Section: Characteristics Of the Soil And Study Areamentioning
confidence: 99%
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“…Na área de cana crua, a maior densidade está relacionada ao maior tempo de tráfego de maquinário na área, característico desse sistema, porém esses valores não configuram impedimento físico ao desenvolvimento da planta (VIANA et al, 2011 ; DP = desvio padrão; CV = coeficiente de variação. Atributo com mesma letra na coluna não difere estatisticamente segundo teste a 5% de probabilidade.…”
Section: Methodsunclassified