2015
DOI: 10.1590/01000683rbcs20140638
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Ferramentas Matemáticas, Suscetibilidade Magnética E Modelos De Paisagem Aplicados Na Delimitação De Áreas De Manejo Específico

Abstract: A identificação de padrões de variabilidade dos atributos do solo permite o uso e a ocupação do solo de maneira sustentável. O objetivo deste trabalho foi delimitar áreas de manejo específico utilizando ferramentas matemáticas, suscetibilidade magnética e modelos de paisagem. A área de estudo localiza-se no município de Guariba, SP. Escolheu-se uma área de 110 ha, onde foram identificadas e mapeadas três superfícies geomórficas (I, II e III). Na área, foram coletadas 204 amostras de solo em uma transeção, nas … Show more

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Cited by 6 publications
(7 citation statements)
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References 26 publications
(79 reference statements)
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“…All data from the 87 sampling points of the properties sand, silt, clay, and organic carbon contents and MS were subjected to Split Moving Window (SMW) autocorrelogram analysis , to confirm the landscape compartments (Matias et al, 2015;Siqueira et al, 2015). This evaluation is based on statistical calculations of dissimilarity between the sequences of sample points collected along the transect.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…All data from the 87 sampling points of the properties sand, silt, clay, and organic carbon contents and MS were subjected to Split Moving Window (SMW) autocorrelogram analysis , to confirm the landscape compartments (Matias et al, 2015;Siqueira et al, 2015). This evaluation is based on statistical calculations of dissimilarity between the sequences of sample points collected along the transect.…”
Section: Discussionmentioning
confidence: 99%
“…In tropical soils, MS has been used to indicate the relationship between landscape and iron oxides, considered indicators of the factors and processes of soil formation Matias et al, 2014Matias et al, , 2015. For being directly related with iron oxides, MS is a covariate of soil mineralogical properties and consequently of different pedogenetic environments, here called landscape compartments (relief).…”
Section: Introductionmentioning
confidence: 99%
“…Using magnetic signature to identify distinctive environments in areas grown with sugarcane under mechanized harvesting, Matias et al (2015) found groups within a Euclidean distance between 18 and 24 and subgroups from 6 to 16. Unlike, Barbieri et al (2014) used crystallographic characteristics of iron oxide minerals to outline management groups in areas under BC and UC.…”
Section: Resultsmentioning
confidence: 99%
“…The sampling density was 1 sample per 7 ha (Figure 1). The highest sample density was observed in the northsouth direction, coinciding with the direction of greater variability in soil attributes Matias et al, 2015). The area was split into 33 plots, covering 24 ha in average.…”
Section: Methodsmentioning
confidence: 99%
“…Recently, Siqueira et al (2010a) used it for the quantification of physical, chemical, and mineralogical attributes of soils with low iron content, i.e., less than 4% as Fe 2 O 3 . Magnetic susceptibility has also been used in sugarcane plantations in Brazil to identify areas with different potentials for soil CO 2 emission (Barrios et al, 2012;Leal et al, 2015) and with different capacity to endure vinasse application (Peluco et al, 2013), as well as to quantify adsorbed phosphorus (Peluco et al, 2015) and to map management units (Matias et al, 2015;Siqueira et al, 2015). However, few works focus on identifying the relationship between magnetic susceptibility and plant characteristics .…”
Section: Introductionmentioning
confidence: 99%