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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
15/10/2013 |
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Data da última atualização: |
18/10/2013 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
PARAIBA, L. C.; CONTRERAS, W. A.; PAZIANOTTO, R. A. A.; LUIZ, A. J. B. |
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Afiliação: |
LOURIVAL COSTA PARAIBA, CNPMA; WILSON ALBERTO CONTRERAS, Universidad de Pamplona; RICARDO ANTONIO ALMEIDA PAZIANOTTO, CNPMA; ALFREDO JOSE BARRETO LUIZ, CNPMA. |
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Título: |
Modelling pesticide uptake by potatoes through an ordinary differential equation coupled with a dispersion-advection equation. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
In: REUNIÃO ANUAL DA REGIÃO BRASILEIRA DA SOCIEDADE INTERNACIONAL DE BIOMETRIA, 58.; SIMPÓSIO DE ESTATÍSTICA APLICADA À EXPERIMENTAÇÃO AGRONÔMICA, 15., 2013, Campina Grande. Modelagem estatística em áreas multidisciplinares: impactos causados pelas mudanças climáticas na Região Nordeste. Anais... Campina Grande: Sociedade Internacional de Biometria, 2013. 16 p. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work is to present a model that simulates pesticide uptake by potatoes using a system with two differential equations, where one equation describes pesticide uptake by potatoes and the other one describes the pesticide lixiviation in soil. It was assumed that uptake and lixiviation occur, respectively, by diffusion of the pesticide through potato tissues and by diffusion and advection of the pesticide in soil profile. Uptake was described by an ordinary differential equation (ODE) that was coupled to a dispersionadvection equation (DAE). These equations describe the kinetics of the pesticide in potatoes and in soil profile, respectively. The coupled equations (ODE-DAE) were numerically solved through a finite difference method, programmed in Matlab® system, and used to simulate uptake of pesticides by potatoes. |
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Palavras-Chave: |
Pesticide. |
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Thesagro: |
Absorção; Agrotóxico; Batata; Modelo de simulação; Modelo matemático. |
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Thesaurus Nal: |
Absorption; Potatoes; Simulation models. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/91022/1/2013AA57.pdf
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Marc: |
LEADER 01944nam a2200253 a 4500
001 1968646
005 2013-10-18
008 2013 bl uuuu u00u1 u #d
100 1 $aPARAIBA, L. C.
245 $aModelling pesticide uptake by potatoes through an ordinary differential equation coupled with a dispersion-advection equation.$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA REGIÃO BRASILEIRA DA SOCIEDADE INTERNACIONAL DE BIOMETRIA, 58.; SIMPÓSIO DE ESTATÍSTICA APLICADA À EXPERIMENTAÇÃO AGRONÔMICA, 15., 2013, Campina Grande. Modelagem estatística em áreas multidisciplinares: impactos causados pelas mudanças climáticas na Região Nordeste. Anais... Campina Grande: Sociedade Internacional de Biometria, 2013. 16 p.$c2013
520 $aThe objective of this work is to present a model that simulates pesticide uptake by potatoes using a system with two differential equations, where one equation describes pesticide uptake by potatoes and the other one describes the pesticide lixiviation in soil. It was assumed that uptake and lixiviation occur, respectively, by diffusion of the pesticide through potato tissues and by diffusion and advection of the pesticide in soil profile. Uptake was described by an ordinary differential equation (ODE) that was coupled to a dispersionadvection equation (DAE). These equations describe the kinetics of the pesticide in potatoes and in soil profile, respectively. The coupled equations (ODE-DAE) were numerically solved through a finite difference method, programmed in Matlab® system, and used to simulate uptake of pesticides by potatoes.
650 $aAbsorption
650 $aPotatoes
650 $aSimulation models
650 $aAbsorção
650 $aAgrotóxico
650 $aBatata
650 $aModelo de simulação
650 $aModelo matemático
653 $aPesticide
700 1 $aCONTRERAS, W. A.
700 1 $aPAZIANOTTO, R. A. A.
700 1 $aLUIZ, A. J. B.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Roraima. |
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Data corrente: |
05/04/2023 |
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Data da última atualização: |
05/04/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
C - 0 |
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Autoria: |
COSTA, N. de L.; MAGALHAES, J. A.; RODRIGUES, B. H. N.; SANTOS, F. J. de S. |
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Afiliação: |
NEWTON DE LUCENA COSTA, CPAF-RR; JOAO AVELAR MAGALHAES, CPAMN; BRAZ HENRIQUE NUNES RODRIGUES, CPAMN; FRANCISCO JOSE DE SEIXAS SANTOS, CPAMN. |
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Título: |
Phosphate fertilization of Mesosetum chaseae in Roraima's savannas. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Research, Society and Development, v. 12, n. 3, e25412340679, 2023. |
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Idioma: |
Inglês |
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Conteúdo: |
TThe objective of this work was to evaluate the effect of phosphate fertilization (0, 30, 60 and 120 kg of P2O5 ha-1) on forage production and morphogenetic and structural characteristics of Mesosetum chaseae under natural field conditions in the savannas of Roraima. Phosphate fertilization positively and significantly (P<0.05) affected green dry matter (GDM) production, absolute growth rate (AGR), number of tillers plant-1, number of leaves tiller-1 (NLT), average leaf size (ALS), leaf tiller area (LTA), appearance rates (LAR), expansion (LER) and leaf senescence rates. The maximum yields of GDM, AGR, LAR, LER, NLT, LTA and ALS were obtained with the application of 89.17; 112.7; 47.7; 51.9; 102.9; 101.8 and 94.8 kg of P2O5 ha-1, respectively. The efficiency of P utilization was inversely proportional to the P doses applied. |
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Thesagro: |
Matéria Seca. |
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Thesaurus NAL: |
Leaves; Senescence (aging); Tillering. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1153026/1/RSD-Fertilizacao-fosfatada-de-pastagens-de-Mesosetum-chaseae-nos-cerrados-de-Roraima-1.pdf
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Marc: |
LEADER 01440naa a2200205 a 4500
001 2153026
005 2023-04-05
008 2023 bl uuuu u00u1 u #d
100 1 $aCOSTA, N. de L.
245 $aPhosphate fertilization of Mesosetum chaseae in Roraima's savannas.$h[electronic resource]
260 $c2023
520 $aTThe objective of this work was to evaluate the effect of phosphate fertilization (0, 30, 60 and 120 kg of P2O5 ha-1) on forage production and morphogenetic and structural characteristics of Mesosetum chaseae under natural field conditions in the savannas of Roraima. Phosphate fertilization positively and significantly (P<0.05) affected green dry matter (GDM) production, absolute growth rate (AGR), number of tillers plant-1, number of leaves tiller-1 (NLT), average leaf size (ALS), leaf tiller area (LTA), appearance rates (LAR), expansion (LER) and leaf senescence rates. The maximum yields of GDM, AGR, LAR, LER, NLT, LTA and ALS were obtained with the application of 89.17; 112.7; 47.7; 51.9; 102.9; 101.8 and 94.8 kg of P2O5 ha-1, respectively. The efficiency of P utilization was inversely proportional to the P doses applied.
650 $aLeaves
650 $aSenescence (aging)
650 $aTillering
650 $aMatéria Seca
700 1 $aMAGALHAES, J. A.
700 1 $aRODRIGUES, B. H. N.
700 1 $aSANTOS, F. J. de S.
773 $tResearch, Society and Development$gv. 12, n. 3, e25412340679, 2023.
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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