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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
19/11/2008 |
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Data da última atualização: |
02/10/2023 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
MASCHIO, R.; ANDRADE JÚNIOR, A. S.; MOTA, P. R. D.; MELO, F. B. |
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Afiliação: |
Rafael Maschio, UFPI; Aderson Soares de Andrade Júnior, Embrapa Meio-Norte; Poliana R. D. Mota, Fapepi/CNPq; Francisco de Brito Melo, Embrapa Meio-Norte. |
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Título: |
Physical properties and soil degration index in the "Plateau of Guadalupe irrigation district", Piauí state, Brazil. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 37.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. Technology for all: sharing the knowledge for development: proceedings. [Foz do Iguaçu]: CIGR, 2008. |
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Páginas: |
4 p. |
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Idioma: |
Inglês |
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Conteúdo: |
The management of water and soil is an important aspect of sustainable agricultural production. Knowledge of the physical properties of the soil is essential for the characterization of the soil-water-plant interactions and also for the establishment of irrigation management, in accordance with soil and crop requirements. The objective of this study was to evaluate the physical properties i.e. that pertain to water content, granulometry, bulk density, along with the water retention curve and soil physical degradation index of the "Plateaus of Guadalupe Irrigation District", Piaui State, Brazil. Undisturbed and disturbed soil samples were collected in plots, randomly chosen, as well as in areas of initial preparation, at depths of 0 to 0.2 m and 0.2 to 0.4 m. The water retention curves were molded with suction pressure of -6, -10, -30, -100, -300, -500 and -1500 kPa and adjusted by the Genucthen model. There was an increase in clay levels of the soil depth. The bulk density showed lower values in the areas of initial preparation. The average available soil water was higher in the layer 0 to 0.2 m. Three plots presented problems with the soil physical degradation index, but in general, the soil had good physical conditions for cultivation. |
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Palavras-Chave: |
Manejo de irrigação; Propriedade do solo. |
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Thesagro: |
Planejamento Agrícola. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/70311/1/265-08.pdf
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Marc: |
LEADER 02113nam a2200193 a 4500
001 1070311
005 2023-10-02
008 2008 bl uuuu u00u1 u #d
100 1 $aMASCHIO, R.
245 $aPhysical properties and soil degration index in the "Plateau of Guadalupe irrigation district", Piauí state, Brazil.$h[electronic resource]
260 $aIn: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 37.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. Technology for all: sharing the knowledge for development: proceedings. [Foz do Iguaçu]: CIGR$c2008
300 $a4 p.
520 $aThe management of water and soil is an important aspect of sustainable agricultural production. Knowledge of the physical properties of the soil is essential for the characterization of the soil-water-plant interactions and also for the establishment of irrigation management, in accordance with soil and crop requirements. The objective of this study was to evaluate the physical properties i.e. that pertain to water content, granulometry, bulk density, along with the water retention curve and soil physical degradation index of the "Plateaus of Guadalupe Irrigation District", Piaui State, Brazil. Undisturbed and disturbed soil samples were collected in plots, randomly chosen, as well as in areas of initial preparation, at depths of 0 to 0.2 m and 0.2 to 0.4 m. The water retention curves were molded with suction pressure of -6, -10, -30, -100, -300, -500 and -1500 kPa and adjusted by the Genucthen model. There was an increase in clay levels of the soil depth. The bulk density showed lower values in the areas of initial preparation. The average available soil water was higher in the layer 0 to 0.2 m. Three plots presented problems with the soil physical degradation index, but in general, the soil had good physical conditions for cultivation.
650 $aPlanejamento Agrícola
653 $aManejo de irrigação
653 $aPropriedade do solo
700 1 $aANDRADE JÚNIOR, A. S.
700 1 $aMOTA, P. R. D.
700 1 $aMELO, F. B.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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Biblioteca |
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Origem |
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Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Unidades Centrais. |
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Data corrente: |
03/03/2016 |
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Data da última atualização: |
04/03/2016 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
GAZZOLA, R.; GUIDUCCI, R. do C. N.; LOPES, D. B.; PEREIRA, V. da F.; SANTOS, A. C. C. dos; SOUZA, G. da S. e; TORRES, D. A. P.; VIEIRA JUNIOR, P. A. |
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Afiliação: |
ROSAURA GAZZOLA, SGE; ROSANA DO CARMO NASCIMENTO GUIDUCCI, SGE; DANIELA BIAGGIONI LOPES, DPD; VANESSA DA FONSECA PEREIRA, CNPGL; ANDRE CARLOS CAU DOS SANTOS, SGE; GERALDO DA SILVA E SOUZA, SGE; DANIELLE ALENCAR PARENTE TORRES, CECAT; PEDRO ABEL VIEIRA JUNIOR, CECAT. |
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Título: |
Risk assessment of events of interest for the brazilian agricultural sector based on a psycometric model for ordinal preferences. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
In: SIMPÓSIO BRASILEIRO DE PESQUISA OPERACIONAL, 47., 2015, Porto de Galinhas, PE. |
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Idioma: |
Inglês
Português |
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Conteúdo: |
This paper uses the Law of Categorical Judgments to rank events of importance for the Brazilian agricultural sector as well as the level of public policies carried out by the government to miligate their effects, according to the perceptions of 502 sector specialist. Statistical results point to infrastructure and logistics as the most important factors with lowest level of public policies in place. |
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Palavras-Chave: |
Law of Categorical Judgment; Policie; Policies; Psychometric; Psychometrics; Statistic. |
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Thesagro: |
Agricultura. |
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Thesaurus NAL: |
agriculture. |
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Categoria do assunto: |
--
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/140659/1/Risk-assessment-of-events.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1039569/1/Risk-assessment-of-events.pdf
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Marc: |
LEADER 01315nam a2200289 a 4500
001 2039684
005 2016-03-04
008 2015 bl uuuu u00u1 u #d
100 1 $aGAZZOLA, R.
245 $aRisk assessment of events of interest for the brazilian agricultural sector based on a psycometric model for ordinal preferences.$h[electronic resource]
260 $aIn: SIMPÓSIO BRASILEIRO DE PESQUISA OPERACIONAL, 47., 2015, Porto de Galinhas$c2015
520 $aThis paper uses the Law of Categorical Judgments to rank events of importance for the Brazilian agricultural sector as well as the level of public policies carried out by the government to miligate their effects, according to the perceptions of 502 sector specialist. Statistical results point to infrastructure and logistics as the most important factors with lowest level of public policies in place.
650 $aagriculture
650 $aAgricultura
653 $aLaw of Categorical Judgment
653 $aPolicie
653 $aPolicies
653 $aPsychometric
653 $aPsychometrics
653 $aStatistic
700 1 $aGUIDUCCI, R. do C. N.
700 1 $aLOPES, D. B.
700 1 $aPEREIRA, V. da F.
700 1 $aSANTOS, A. C. C. dos
700 1 $aSOUZA, G. da S. e
700 1 $aTORRES, D. A. P.
700 1 $aVIEIRA JUNIOR, P. A.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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