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Registro Completo |
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
02/05/2012 |
Data da última atualização: |
09/12/2014 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
TEN CATEN, A.; DALMOLIN, R. S. D.; RUIZ, L. F. C.; MENDONÇA-SANTOS, M. de L. |
Afiliação: |
MARIA DE LOURDES M SANTOS BREFIN, CNPS. |
Título: |
Digital soil mapping: strategy for data pre-processing. |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
In: THE GLOBAL WORKSHOPS ON DIGITAL SOIL MAPPING, 5., 10 - 13 Apr. 2012, Sidney. Digital Soil Assessments and Beyond: Sidney, 2012. |
Páginas: |
1 p. |
Idioma: |
Português |
Conteúdo: |
Soil maps have a great deal of ambiguity regarding the exact location of transition zones, which leads pedologists to disagree about the proper delineation of soil classes at those locations. The aim of this study was to propose a preprocessing strategy applied to digital soil mapping. Soil polygons on a training map were displaced in its inward direction by 100 and 160 m. This strategy has enabled that data covariates located near the borders of soil classes were not used for Decision Tree (DT) model adjusting. Three DT models derived from eight predictors covariates, related to the soil formation factors relief and organisms, were sampled in a complete soil map and by polygons displaced 100 and 160 m, in order to be used to predict soil classes. The DT model derived from observations distant 160 m of the boundary between polygons in the original map was less complex and shown a better predictive performance. |
Palavras-Chave: |
Digital mapping; Strategic information. |
Thesaurus Nal: |
soil. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/70632/1/Digital-soil-mapping-strategy-for-data-pre-processing-GEOSTAT-courses.pdf
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Marc: |
LEADER 01555nam a2200193 a 4500 001 1923510 005 2014-12-09 008 2012 bl uuuu u00u1 u #d 100 1 $aTEN CATEN, A. 245 $aDigital soil mapping$bstrategy for data pre-processing.$h[electronic resource] 260 $aIn: THE GLOBAL WORKSHOPS ON DIGITAL SOIL MAPPING, 5., 10 - 13 Apr. 2012, Sidney. Digital Soil Assessments and Beyond: Sidney$c2012 300 $a1 p. 520 $aSoil maps have a great deal of ambiguity regarding the exact location of transition zones, which leads pedologists to disagree about the proper delineation of soil classes at those locations. The aim of this study was to propose a preprocessing strategy applied to digital soil mapping. Soil polygons on a training map were displaced in its inward direction by 100 and 160 m. This strategy has enabled that data covariates located near the borders of soil classes were not used for Decision Tree (DT) model adjusting. Three DT models derived from eight predictors covariates, related to the soil formation factors relief and organisms, were sampled in a complete soil map and by polygons displaced 100 and 160 m, in order to be used to predict soil classes. The DT model derived from observations distant 160 m of the boundary between polygons in the original map was less complex and shown a better predictive performance. 650 $asoil 653 $aDigital mapping 653 $aStrategic information 700 1 $aDALMOLIN, R. S. D. 700 1 $aRUIZ, L. F. C. 700 1 $aMENDONÇA-SANTOS, M. de L.
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Embrapa Solos (CNPS) |
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Registro Completo
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
09/11/2020 |
Data da última atualização: |
09/11/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
MIGUES, I.; BARROS, N. M.; RECH, V.; DUTRA, C.; DÍAS, A. R.; MALAQUIAS, J. V.; SPECHT, A.; HEINZEN, H.; CESIO, M. V. |
Afiliação: |
JUACI VITORIA MALAQUIAS, CPAC; ALEXANDRE SPECHT, CPAC. |
Título: |
Effects on the development of Spodoptera frugiperda feeding on diets spiked with Solanum sisymbriifolium extracts. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Eclética Química Journa, v. 45, n. 2, 2020. |
Páginas: |
p. 33-43 |
Idioma: |
Português |
Thesagro: |
Lagarta; Manejo; Praga de Planta. |
Thesaurus NAL: |
Biopesticides. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/217597/1/Alexandre-specht-Effects.pdf
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Marc: |
LEADER 00747naa a2200265 a 4500 001 2126421 005 2020-11-09 008 2020 bl uuuu u00u1 u #d 100 1 $aMIGUES, I. 245 $aEffects on the development of Spodoptera frugiperda feeding on diets spiked with Solanum sisymbriifolium extracts.$h[electronic resource] 260 $c2020 300 $ap. 33-43 650 $aBiopesticides 650 $aLagarta 650 $aManejo 650 $aPraga de Planta 700 1 $aBARROS, N. M. 700 1 $aRECH, V. 700 1 $aDUTRA, C. 700 1 $aDÍAS, A. R. 700 1 $aMALAQUIAS, J. V. 700 1 $aSPECHT, A. 700 1 $aHEINZEN, H. 700 1 $aCESIO, M. V. 773 $tEclética Química Journa$gv. 45, n. 2, 2020.
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