Effect of Savanna windrow wood burning on the spatial variability of soil properties

Effect of Savanna windrow wood burning on the spatial variability of soil properties

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ABSTRACT Tropical Savannas cover an area of approximately 1.9 billion hectares around the word and are subject to regular fires every 1 to 4 years. This study aimed to evaluate the influence of burning windrow wood from Cerrado (Brazilian Savanna) deforestation on the spatial variability of soil chemical properties, in the field. The data were analysed by using geostatistical methods. The semivariograms for pH(H2O), pH(CaCl2), Ca, Mg and K were calculated according to spherical models, whereas the phosphorus showed a nugget effect. The cross semi-variograms showed correlations between pH(H2O) and pH(CaCl2) with other variables with spatial dependence (exchangeable Ca and Mg and available K). The spatial variability maps for the pH(H2O), pH(CaCl2), Ca, Mg and K concentrations also showed similar patterns of spatial variability, indicating that burning the vegetation after deforestation caused a well-defined spatial arrangement. Even after 20 years of use with agriculture, the spatial distribution of pH(H2O), pH(CaCl2), Ca, Mg and available K was affected by the wood windrow burning that took place during the initial deforestation.

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Main Authors: Eberhardt,Diogo Neia, Marchão,Robélio Leandro, Vendrame,Pedro Rodolfo Siqueira, Corbeels,Marc, Guedes Filho,Osvaldo, Scopel,Eric, Becquer,Thierry
Format: Digital revista
Language:English
Published: Escola de Agronomia/UFG 2021
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-40632021000100710
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spelling oai:scielo:S1983-406320210001007102021-08-11Effect of Savanna windrow wood burning on the spatial variability of soil propertiesEberhardt,Diogo NeiaMarchão,Robélio LeandroVendrame,Pedro Rodolfo SiqueiraCorbeels,MarcGuedes Filho,OsvaldoScopel,EricBecquer,Thierry Wildfire soil digital mapping soil fertility ABSTRACT Tropical Savannas cover an area of approximately 1.9 billion hectares around the word and are subject to regular fires every 1 to 4 years. This study aimed to evaluate the influence of burning windrow wood from Cerrado (Brazilian Savanna) deforestation on the spatial variability of soil chemical properties, in the field. The data were analysed by using geostatistical methods. The semivariograms for pH(H2O), pH(CaCl2), Ca, Mg and K were calculated according to spherical models, whereas the phosphorus showed a nugget effect. The cross semi-variograms showed correlations between pH(H2O) and pH(CaCl2) with other variables with spatial dependence (exchangeable Ca and Mg and available K). The spatial variability maps for the pH(H2O), pH(CaCl2), Ca, Mg and K concentrations also showed similar patterns of spatial variability, indicating that burning the vegetation after deforestation caused a well-defined spatial arrangement. Even after 20 years of use with agriculture, the spatial distribution of pH(H2O), pH(CaCl2), Ca, Mg and available K was affected by the wood windrow burning that took place during the initial deforestation.info:eu-repo/semantics/openAccessEscola de Agronomia/UFGPesquisa Agropecuária Tropical v.51 20212021-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-40632021000100710en10.1590/1983-40632021v5166853
institution SCIELO
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country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author Eberhardt,Diogo Neia
Marchão,Robélio Leandro
Vendrame,Pedro Rodolfo Siqueira
Corbeels,Marc
Guedes Filho,Osvaldo
Scopel,Eric
Becquer,Thierry
spellingShingle Eberhardt,Diogo Neia
Marchão,Robélio Leandro
Vendrame,Pedro Rodolfo Siqueira
Corbeels,Marc
Guedes Filho,Osvaldo
Scopel,Eric
Becquer,Thierry
Effect of Savanna windrow wood burning on the spatial variability of soil properties
author_facet Eberhardt,Diogo Neia
Marchão,Robélio Leandro
Vendrame,Pedro Rodolfo Siqueira
Corbeels,Marc
Guedes Filho,Osvaldo
Scopel,Eric
Becquer,Thierry
author_sort Eberhardt,Diogo Neia
title Effect of Savanna windrow wood burning on the spatial variability of soil properties
title_short Effect of Savanna windrow wood burning on the spatial variability of soil properties
title_full Effect of Savanna windrow wood burning on the spatial variability of soil properties
title_fullStr Effect of Savanna windrow wood burning on the spatial variability of soil properties
title_full_unstemmed Effect of Savanna windrow wood burning on the spatial variability of soil properties
title_sort effect of savanna windrow wood burning on the spatial variability of soil properties
description ABSTRACT Tropical Savannas cover an area of approximately 1.9 billion hectares around the word and are subject to regular fires every 1 to 4 years. This study aimed to evaluate the influence of burning windrow wood from Cerrado (Brazilian Savanna) deforestation on the spatial variability of soil chemical properties, in the field. The data were analysed by using geostatistical methods. The semivariograms for pH(H2O), pH(CaCl2), Ca, Mg and K were calculated according to spherical models, whereas the phosphorus showed a nugget effect. The cross semi-variograms showed correlations between pH(H2O) and pH(CaCl2) with other variables with spatial dependence (exchangeable Ca and Mg and available K). The spatial variability maps for the pH(H2O), pH(CaCl2), Ca, Mg and K concentrations also showed similar patterns of spatial variability, indicating that burning the vegetation after deforestation caused a well-defined spatial arrangement. Even after 20 years of use with agriculture, the spatial distribution of pH(H2O), pH(CaCl2), Ca, Mg and available K was affected by the wood windrow burning that took place during the initial deforestation.
publisher Escola de Agronomia/UFG
publishDate 2021
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-40632021000100710
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