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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
03/02/1997 |
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Data da última atualização: |
03/02/1997 |
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Autoria: |
BUZETTI, S.; MURAOKA, T.; SA, M. E. de. |
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Título: |
Doses de boro na soja, em diferentes condicoes de acidez do solo: I. Producao de materia seca e de graos e nivel critico no solo. |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
Revista Brasileira de Ciencia do Solo, v.14, p.157-161, 1990. |
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Idioma: |
Português |
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Conteúdo: |
Procurou-se verificar o efeito de doses de boro, em diferentes condicoes de acidez do solo, no desenvolvimento das plantas e na producao de graos da cultura da soja, tentando estabelecer os niveis criticos do elemento no solo. Para tal, realizou-se um experimento em casa de vegetacao, com cinco doses de boro, ou seja, 0,0; 0,2; 0,4; 0,6 e 0,8 ppm, em tres niveis de acidez do solo conseguidas pela aplicacao de doses de CaO e MgO: 1) 172g de CaO e 0,41g de MgO, 2) 2,76g de CaO e 0,66g de MgO, e 3) sem aplicacao de corretivo, em cada vaso com 4 litros de solo. O solo utilizado foi um latossolo vermelho-escuro, textura argilosa, originalmente recoberto por vegetacao de cerrado. Pelos resultados obtidos, concluiu-se que as doses de boro influenciaram a producao de materia seca da parte aerea e a producao de graos, nos tratamentos que nao receberam corretivo e nos que receberam a dose 1 de MgO e CaO. Houve aumento linear na concentracao de boro no solo com a aplicacao do elemento, sendo os niveis criticos externos de 0,11 e 0,18 ppm de boro para a materia seca da parte aerea, 0,19 e 0,23 ppm de boro para a producao de graos, respectivamente, para os tratamentos que nao receberam corretivo e para os que receberam a dose de CaO e MgO. |
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Palavras-Chave: |
Grain; Production. |
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Thesagro: |
Acidez do Solo; Boro; Cerrado; Glycine Max; Grão; Matéria Seca; Soja. |
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Thesaurus Nal: |
boron; crop yield; dry matter content; soil pH; soybeans. |
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Categoria do assunto: |
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Marc: |
LEADER 02074naa a2200313 a 4500
001 1552306
005 1997-02-03
008 1990 bl --- 0-- u #d
100 1 $aBUZETTI, S.
245 $aDoses de boro na soja, em diferentes condicoes de acidez do solo$bI. Producao de materia seca e de graos e nivel critico no solo.
260 $c1990
520 $aProcurou-se verificar o efeito de doses de boro, em diferentes condicoes de acidez do solo, no desenvolvimento das plantas e na producao de graos da cultura da soja, tentando estabelecer os niveis criticos do elemento no solo. Para tal, realizou-se um experimento em casa de vegetacao, com cinco doses de boro, ou seja, 0,0; 0,2; 0,4; 0,6 e 0,8 ppm, em tres niveis de acidez do solo conseguidas pela aplicacao de doses de CaO e MgO: 1) 172g de CaO e 0,41g de MgO, 2) 2,76g de CaO e 0,66g de MgO, e 3) sem aplicacao de corretivo, em cada vaso com 4 litros de solo. O solo utilizado foi um latossolo vermelho-escuro, textura argilosa, originalmente recoberto por vegetacao de cerrado. Pelos resultados obtidos, concluiu-se que as doses de boro influenciaram a producao de materia seca da parte aerea e a producao de graos, nos tratamentos que nao receberam corretivo e nos que receberam a dose 1 de MgO e CaO. Houve aumento linear na concentracao de boro no solo com a aplicacao do elemento, sendo os niveis criticos externos de 0,11 e 0,18 ppm de boro para a materia seca da parte aerea, 0,19 e 0,23 ppm de boro para a producao de graos, respectivamente, para os tratamentos que nao receberam corretivo e para os que receberam a dose de CaO e MgO.
650 $aboron
650 $acrop yield
650 $adry matter content
650 $asoil pH
650 $asoybeans
650 $aAcidez do Solo
650 $aBoro
650 $aCerrado
650 $aGlycine Max
650 $aGrão
650 $aMatéria Seca
650 $aSoja
653 $aGrain
653 $aProduction
700 1 $aMURAOKA, T.
700 1 $aSA, M. E. de
773 $tRevista Brasileira de Ciencia do Solo$gv.14, p.157-161, 1990.
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Registro original: |
Embrapa Cerrados (CPAC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
02/08/2017 |
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Data da última atualização: |
02/08/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
CRUZ, P. P. N.; GREEN, T. R.; FIGUEIREDO, R. de O.; PEREIRA, A. S.; KIPKA, H.; SAAD, S. I.; SILVA, J. M. da; GOMES, M. A. F. |
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Afiliação: |
PATRICIA PORTA NOVA DA CRUZ, CNPQ. |
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Título: |
Hydrological modeling of the Ribeirão das Posses: an assessment based on the Agricultural Ecosystem Services (AgES) watershed model. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Ambiente e Água, Taubaté, v. 12, n. 3, p. 351-364, 2017. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Southeastern Brazil has recently experienced drought conditions that have impacted watershed conservation and the management of water quality and quantity for agricultural and urban demands. The Ribeirão das Posses watershed is being monitored as a headwater of the Jaguarí River, which is one of the contributing rivers of the Cantareira Reservoir Complex in the state of São Paulo. The landscape has changed over the last century from native forests to more homogeneous vegetation for pastures, crops and some forest plantations of eucalyptus, which have cumulative impacts on water yield and quality. Currently, the Projeto Conservador das Águas (Water Conservationist Project) has planted small areas with native species vegetation in order to recover degraded areas. The objective of this study was to evaluate the quantity of water in the Ribeirão das Posses Basin by both measurements and by simulating hydrological responses. The Agricultural Ecosystem Services (AgES) watershed model was applied to simulate water movement and storage among land areas. The simulation period was from 2009 to 2014, because the daily streamflow and meteorological data were available for model calibration and testing. We discuss data input requirements, model calibration to fit measured streamflow, and sensitivity to spatially variable rainfall inputs. The calibrated model may be used to estimate streamflow during periods of missing data, and in the future to estimate impacts of land use changes on stream water quantity and quality. Such information can be used in programs of payments for ecosystem services. MenosAbstract: Southeastern Brazil has recently experienced drought conditions that have impacted watershed conservation and the management of water quality and quantity for agricultural and urban demands. The Ribeirão das Posses watershed is being monitored as a headwater of the Jaguarí River, which is one of the contributing rivers of the Cantareira Reservoir Complex in the state of São Paulo. The landscape has changed over the last century from native forests to more homogeneous vegetation for pastures, crops and some forest plantations of eucalyptus, which have cumulative impacts on water yield and quality. Currently, the Projeto Conservador das Águas (Water Conservationist Project) has planted small areas with native species vegetation in order to recover degraded areas. The objective of this study was to evaluate the quantity of water in the Ribeirão das Posses Basin by both measurements and by simulating hydrological responses. The Agricultural Ecosystem Services (AgES) watershed model was applied to simulate water movement and storage among land areas. The simulation period was from 2009 to 2014, because the daily streamflow and meteorological data were available for model calibration and testing. We discuss data input requirements, model calibration to fit measured streamflow, and sensitivity to spatially variable rainfall inputs. The calibrated model may be used to estimate streamflow during periods of missing data, and in the future to estimate impacts of land use chan... Mostrar Tudo |
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Palavras-Chave: |
Hidrological models; Watershed; Watershed model. |
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Thesagro: |
Bacia hidrográfica; Clima; Hidrologia. |
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Thesaurus NAL: |
Climate; Ecosystem services; Water conservation. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162323/1/2017AP05.pdf
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Marc: |
LEADER 02549naa a2200313 a 4500
001 2073489
005 2017-08-02
008 2017 bl uuuu u00u1 u #d
100 1 $aCRUZ, P. P. N.
245 $aHydrological modeling of the Ribeirão das Posses$ban assessment based on the Agricultural Ecosystem Services (AgES) watershed model.$h[electronic resource]
260 $c2017
520 $aAbstract: Southeastern Brazil has recently experienced drought conditions that have impacted watershed conservation and the management of water quality and quantity for agricultural and urban demands. The Ribeirão das Posses watershed is being monitored as a headwater of the Jaguarí River, which is one of the contributing rivers of the Cantareira Reservoir Complex in the state of São Paulo. The landscape has changed over the last century from native forests to more homogeneous vegetation for pastures, crops and some forest plantations of eucalyptus, which have cumulative impacts on water yield and quality. Currently, the Projeto Conservador das Águas (Water Conservationist Project) has planted small areas with native species vegetation in order to recover degraded areas. The objective of this study was to evaluate the quantity of water in the Ribeirão das Posses Basin by both measurements and by simulating hydrological responses. The Agricultural Ecosystem Services (AgES) watershed model was applied to simulate water movement and storage among land areas. The simulation period was from 2009 to 2014, because the daily streamflow and meteorological data were available for model calibration and testing. We discuss data input requirements, model calibration to fit measured streamflow, and sensitivity to spatially variable rainfall inputs. The calibrated model may be used to estimate streamflow during periods of missing data, and in the future to estimate impacts of land use changes on stream water quantity and quality. Such information can be used in programs of payments for ecosystem services.
650 $aClimate
650 $aEcosystem services
650 $aWater conservation
650 $aBacia hidrográfica
650 $aClima
650 $aHidrologia
653 $aHidrological models
653 $aWatershed
653 $aWatershed model
700 1 $aGREEN, T. R.
700 1 $aFIGUEIREDO, R. de O.
700 1 $aPEREIRA, A. S.
700 1 $aKIPKA, H.
700 1 $aSAAD, S. I.
700 1 $aSILVA, J. M. da
700 1 $aGOMES, M. A. F.
773 $tAmbiente e Água, Taubaté$gv. 12, n. 3, p. 351-364, 2017.
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Embrapa Meio Ambiente (CNPMA) |
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