Spatial variability of soil physical attributes and its effects on wheat yield

Detalhes bibliográficos
Autor(a) principal: Corrêa, Ademir Natal
Data de Publicação: 2009
Outros Autores: Tavares, Maria Hermínia Ferreira, Uribe-Opazo, Miguel Angel
Tipo de documento: Artigo
Idioma: por
Título da fonte: Semina. Ciências Agrárias (Online)
Texto Completo: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2634
Resumo: The objective of this paper was to study the spatial variability influence of soil physical attributes in wheat yield. The geostatistics techniques used were semivariogram and contour maps produced by interpolation through usual kriging representing the spatial variability of the soil physical attributes: soil water content, soil total porosity, soil compaction degree and soil resistance to penetration.. Experimental data were at a Rhodic Ferralsol from the Agricultural Engineering Experimental Nucleus at UNIOESTE – Cascavel Campus. Soil physical attributes and wheat yield maps presented a variability standard regarding distribution in experimental area, showing low wheat yield where there was high soil compaction degree, low soil total porosity and low soil water content also presenting good wheat yield where low and medium soil resistance to penetration, medium and high soil water content and low soil compaction degree occurred. Among the studied soil physical attributes studied, soil resistance to penetration was the best attribute in correlation with wheat yield. The second best attribute was soil compaction degree. This paper enabled us to understand in a better way the spatial dependence structure of the studied attributes, as well as the concepts and geostatistics applications.
id UEL-11_430505998e8769d0bf6dee24fec8758d
oai_identifier_str oai:ojs.pkp.sfu.ca:article/2634
network_acronym_str UEL-11
network_name_str Semina. Ciências Agrárias (Online)
repository_id_str
spelling Spatial variability of soil physical attributes and its effects on wheat yieldVariabilidade espacial de atributos físicos do solo e seus efeitos sobre a produtividade do trigoAutocorrelationCrosscorrelationKrigingSemivariogramSpatial dependence.AutocorrelaçãoCrosscorrelaçãoDependência espacialKrigagemSemivariograma.The objective of this paper was to study the spatial variability influence of soil physical attributes in wheat yield. The geostatistics techniques used were semivariogram and contour maps produced by interpolation through usual kriging representing the spatial variability of the soil physical attributes: soil water content, soil total porosity, soil compaction degree and soil resistance to penetration.. Experimental data were at a Rhodic Ferralsol from the Agricultural Engineering Experimental Nucleus at UNIOESTE – Cascavel Campus. Soil physical attributes and wheat yield maps presented a variability standard regarding distribution in experimental area, showing low wheat yield where there was high soil compaction degree, low soil total porosity and low soil water content also presenting good wheat yield where low and medium soil resistance to penetration, medium and high soil water content and low soil compaction degree occurred. Among the studied soil physical attributes studied, soil resistance to penetration was the best attribute in correlation with wheat yield. The second best attribute was soil compaction degree. This paper enabled us to understand in a better way the spatial dependence structure of the studied attributes, as well as the concepts and geostatistics applications.Este trabalho teve como objetivo estudar a influência da variabilidade espacial dos atributos físicos do solo sobre a produtividade de trigo. Foram utilizadas técnicas de geoestatística como a construção de semivariogramas e confecção de mapas temáticos, produzidos por interpolação por krigagem de atributos físicos do solo, tais como: conteúdo gravimétrico de água no solo, porosidade total, grau de compactação e resistência do solo à penetração. Os dados experimentais foram obtidos em uma área de Latossolo Vermelho-Escuro, pertencente ao Núcleo Experimental de Engenharia Agrícola da Universidade Estadual do Oeste do Paraná – Campus de Cascavel. Os mapas dos atributos físicos do solo e da produtividade de trigo apresentaram um padrão de variabilidade, mostrando baixa produtividade nos locais de alto grau de compactação, baixa porosidade total e baixo conteúdo gravimétrico de água no solo e apresentando boa produtividade nos locais de baixa e média resistência do solo à penetração, médio e alto conteúdo de água no solo e baixo grau de compactação. Dentre os atributos físicos do solo estudados, a resistência do solo à penetração foi o atributo que melhor se correlacionou com a produtividade do trigo. Este trabalho possibilitou entender melhor a estrutura de dependência espacial das variáveis estudadas, bem com os conceitos e aplicação da Geoestatística.UEL2009-07-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/263410.5433/1679-0359.2009v30n1p81Semina: Ciências Agrárias; Vol. 30 No. 1 (2009); 81-94Semina: Ciências Agrárias; v. 30 n. 1 (2009); 81-941679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2634/2288Corrêa, Ademir NatalTavares, Maria Hermínia FerreiraUribe-Opazo, Miguel Angelinfo:eu-repo/semantics/openAccess2015-11-19T18:38:38Zoai:ojs.pkp.sfu.ca:article/2634Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2015-11-19T18:38:38Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false
dc.title.none.fl_str_mv Spatial variability of soil physical attributes and its effects on wheat yield
Variabilidade espacial de atributos físicos do solo e seus efeitos sobre a produtividade do trigo
title Spatial variability of soil physical attributes and its effects on wheat yield
spellingShingle Spatial variability of soil physical attributes and its effects on wheat yield
Corrêa, Ademir Natal
Autocorrelation
Crosscorrelation
Kriging
Semivariogram
Spatial dependence.
Autocorrelação
Crosscorrelação
Dependência espacial
Krigagem
Semivariograma.
title_short Spatial variability of soil physical attributes and its effects on wheat yield
title_full Spatial variability of soil physical attributes and its effects on wheat yield
title_fullStr Spatial variability of soil physical attributes and its effects on wheat yield
title_full_unstemmed Spatial variability of soil physical attributes and its effects on wheat yield
title_sort Spatial variability of soil physical attributes and its effects on wheat yield
author Corrêa, Ademir Natal
author_facet Corrêa, Ademir Natal
Tavares, Maria Hermínia Ferreira
Uribe-Opazo, Miguel Angel
author_role author
author2 Tavares, Maria Hermínia Ferreira
Uribe-Opazo, Miguel Angel
author2_role author
author
dc.contributor.author.fl_str_mv Corrêa, Ademir Natal
Tavares, Maria Hermínia Ferreira
Uribe-Opazo, Miguel Angel
dc.subject.por.fl_str_mv Autocorrelation
Crosscorrelation
Kriging
Semivariogram
Spatial dependence.
Autocorrelação
Crosscorrelação
Dependência espacial
Krigagem
Semivariograma.
topic Autocorrelation
Crosscorrelation
Kriging
Semivariogram
Spatial dependence.
Autocorrelação
Crosscorrelação
Dependência espacial
Krigagem
Semivariograma.
description The objective of this paper was to study the spatial variability influence of soil physical attributes in wheat yield. The geostatistics techniques used were semivariogram and contour maps produced by interpolation through usual kriging representing the spatial variability of the soil physical attributes: soil water content, soil total porosity, soil compaction degree and soil resistance to penetration.. Experimental data were at a Rhodic Ferralsol from the Agricultural Engineering Experimental Nucleus at UNIOESTE – Cascavel Campus. Soil physical attributes and wheat yield maps presented a variability standard regarding distribution in experimental area, showing low wheat yield where there was high soil compaction degree, low soil total porosity and low soil water content also presenting good wheat yield where low and medium soil resistance to penetration, medium and high soil water content and low soil compaction degree occurred. Among the studied soil physical attributes studied, soil resistance to penetration was the best attribute in correlation with wheat yield. The second best attribute was soil compaction degree. This paper enabled us to understand in a better way the spatial dependence structure of the studied attributes, as well as the concepts and geostatistics applications.
publishDate 2009
dc.date.none.fl_str_mv 2009-07-30
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2634
10.5433/1679-0359.2009v30n1p81
url https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2634
identifier_str_mv 10.5433/1679-0359.2009v30n1p81
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2634/2288
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv UEL
publisher.none.fl_str_mv UEL
dc.source.none.fl_str_mv Semina: Ciências Agrárias; Vol. 30 No. 1 (2009); 81-94
Semina: Ciências Agrárias; v. 30 n. 1 (2009); 81-94
1679-0359
1676-546X
reponame:Semina. Ciências Agrárias (Online)
instname:Universidade Estadual de Londrina (UEL)
instacron:UEL
instname_str Universidade Estadual de Londrina (UEL)
instacron_str UEL
institution UEL
reponame_str Semina. Ciências Agrárias (Online)
collection Semina. Ciências Agrárias (Online)
repository.name.fl_str_mv Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)
repository.mail.fl_str_mv semina.agrarias@uel.br
_version_ 1799306058631479296

Registros relacionados