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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
30/08/2023 |
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Data da última atualização: |
01/09/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
CARDOSO, M. J.; CARVALHO, H. W. L. de; SANTOS, M. X. dos; SOUZA, E. M. de. |
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Afiliação: |
MILTON JOSE CARDOSO, CPAMN; HELIO WILSON LEMOS DE CARVALHO, CPATC; MANOEL XAVIER DOS SANTOS, CNPMS; EVANILDES MENEZES DE SOUZA, CPATC. |
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Título: |
Estimativas de parâmetros genéticos nas variedades de milho CMS 47 e São Vicente na região Meio-Norte do Brasil. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: CONGRESSO NACIONAL DE MILHO E SORGO, 25.; SIMPOSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 1., 2004, Cuiabá, MT. Da agricultura familiar ao agronegócio: tecnologia, competitividade e sustentabilidade: [resumos expandidos]. Sete Lagoas: ABMS: Embrapa Milho e Sorgo; Cuiabá: Empaer, 2004. p. 460. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Palavras-Chave: |
Ganhos geneticos; Meios-irmaos; Melhoramento intrapopulacional. |
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Thesagro: |
Zea Mays. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1156213/1/Estimativas-34046.pdf
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Marc: |
LEADER 00920nam a2200193 a 4500
001 2156213
005 2023-09-01
008 2004 bl uuuu u00u1 u #d
100 1 $aCARDOSO, M. J.
245 $aEstimativas de parâmetros genéticos nas variedades de milho CMS 47 e São Vicente na região Meio-Norte do Brasil.$h[electronic resource]
260 $aIn: CONGRESSO NACIONAL DE MILHO E SORGO, 25.; SIMPOSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 1., 2004, Cuiabá, MT. Da agricultura familiar ao agronegócio: tecnologia, competitividade e sustentabilidade: [resumos expandidos]. Sete Lagoas: ABMS: Embrapa Milho e Sorgo; Cuiabá: Empaer, 2004. p. 460.$c2004
300 $c1 CD-ROM.
650 $aZea Mays
653 $aGanhos geneticos
653 $aMeios-irmaos
653 $aMelhoramento intrapopulacional
700 1 $aCARVALHO, H. W. L. de
700 1 $aSANTOS, M. X. dos
700 1 $aSOUZA, E. M. de
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação; Embrapa Soja. |
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Data corrente: |
07/06/2022 |
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Data da última atualização: |
07/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
VAZ, C. M. P.; RESENDE, J. M. de; FRANCHINI, J. C.; DEBIASI, H.; NUNES, M. R. |
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Afiliação: |
CARLOS MANOEL PEDRO VAZ, CNPDIA; JULIO CEZAR FRANCHINI DOS SANTOS, CNPSO; HENRIQUE DEBIASI, CNPSO. |
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Título: |
Evaluation and recommendations for the use of dynamic penetrometers. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Soil & Tillage Research, v. 220, 105373, 2022. |
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ISSN: |
0167-1987 |
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DOI: |
https://doi.org/10.1016/j.still.2022.105373 |
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Idioma: |
Inglês |
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Conteúdo: |
Dynamic penetrometers are largely used for studies of soil compaction caused by agricultural practices. In this paper, some critical factors affecting precision, operation time, and ease of use of dynamic penetrometers were evaluated. An alternative procedure recording the number of strikes for pre-defined layers (NL) was proposed and compared to the conventional procedure that records depths per strike (Dn). Mass and falling height variability of commercial penetrometers were assessed and the effects on the penetration resistance (PR) equations were evaluated. Comparisons between dynamic and static penetrometers were performed for soils of different textures and a device to extract dynamic penetrometers from very compacted soils was proposed. The alternative procedure-NL presented no statistical difference to the conventional procedure-Dn, shorter acquisition times and simple data post-processing, which was recommended for routine analysis. Mass and falling height variability of 22 Stolf/IAA penetrometers significantly impacted the equations to calculate PR, with variations from − 5 to +10% compared to the standard equation. Thus, users should utilize their own equations to transform raw data in PR. The dynamic penetrometer performance was significantly affected by soil texture as compared to the static penetrometer. The puller device was effective for extracting the dynamic penetrometers from soils with PR higher than 5 MPa |
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Palavras-Chave: |
Penetration resistance; Penetrometer; Puller device. |
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Thesagro: |
Compactação do Solo; Resistência. |
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Thesaurus NAL: |
Oxisols; Penetrometers; Resistance to penetration; Soil compaction. |
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Categoria do assunto: |
--
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02324naa a2200301 a 4500
001 2143833
005 2022-06-07
008 2022 bl uuuu u00u1 u #d
022 $a0167-1987
024 7 $ahttps://doi.org/10.1016/j.still.2022.105373$2DOI
100 1 $aVAZ, C. M. P.
245 $aEvaluation and recommendations for the use of dynamic penetrometers.$h[electronic resource]
260 $c2022
520 $aDynamic penetrometers are largely used for studies of soil compaction caused by agricultural practices. In this paper, some critical factors affecting precision, operation time, and ease of use of dynamic penetrometers were evaluated. An alternative procedure recording the number of strikes for pre-defined layers (NL) was proposed and compared to the conventional procedure that records depths per strike (Dn). Mass and falling height variability of commercial penetrometers were assessed and the effects on the penetration resistance (PR) equations were evaluated. Comparisons between dynamic and static penetrometers were performed for soils of different textures and a device to extract dynamic penetrometers from very compacted soils was proposed. The alternative procedure-NL presented no statistical difference to the conventional procedure-Dn, shorter acquisition times and simple data post-processing, which was recommended for routine analysis. Mass and falling height variability of 22 Stolf/IAA penetrometers significantly impacted the equations to calculate PR, with variations from − 5 to +10% compared to the standard equation. Thus, users should utilize their own equations to transform raw data in PR. The dynamic penetrometer performance was significantly affected by soil texture as compared to the static penetrometer. The puller device was effective for extracting the dynamic penetrometers from soils with PR higher than 5 MPa
650 $aOxisols
650 $aPenetrometers
650 $aResistance to penetration
650 $aSoil compaction
650 $aCompactação do Solo
650 $aResistência
653 $aPenetration resistance
653 $aPenetrometer
653 $aPuller device
700 1 $aRESENDE, J. M. de
700 1 $aFRANCHINI, J. C.
700 1 $aDEBIASI, H.
700 1 $aNUNES, M. R.
773 $tSoil & Tillage Research$gv. 220, 105373, 2022.
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Embrapa Instrumentação (CNPDIA) |
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