| |
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Hortaliças; Embrapa Meio Ambiente. |
|
Data corrente: |
11/03/2003 |
|
Data da última atualização: |
20/08/2020 |
|
Autoria: |
REZENDE, F. C.; FRIZZONE, J. A.; OLIVEIRA, R. F.; PEREIRA, A. S. |
|
Afiliação: |
FÁTIMA CONCEIÇÃO REZENDE, UFLA; JOSÉ ANTONIO FRIZZONE, ESALQ; RICARDO FERRAZ DE OLIVEIRA, ESALQ; ANDERSON SOARES PEREIRA, CNPMA. |
|
Título: |
CO2 and irrigation in relation to yield and water use of the bell pepper crop. |
|
Ano de publicação: |
2003 |
|
Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 60, n. 1, p. 7-12, jan./mar. 2003. |
|
Idioma: |
Inglês |
|
Conteúdo: |
Greenhouse production of vegetables is widely used throughout the world. Elevated carbon dioxide (CO2) concentrations in these closed environments can increase net photosynthesis and yield. The objective of this study was to determine the effects of atmospheric CO2 enrichment and water supply on the growth of potted bell pepper (Capsicum annuum L.) plants, cultivated under controlled environmental conditions. CO2 was applied daily, and its distribution was monitored above plant rows through micro pipes located at 3.0 m height. A drip irrigation system with one dripper per plant was used to irrigate the plants. Different volumes of irrigation water, representing fractions of the water volume (Vet) consumed by pot plants growing under no water stress conditions (0.5Vet, 0.65Vet, 1.0Vet, and 1.35Vet) with four replications, were evaluated under four different CO2 levels (atmospheric concentration of 367, 600, 800, and 1000 mmol mol-1). Total fresh fruit mass, average number of fruits, and water use efficiency were recorded. For the water deficit treatments, the greatest fresh fruit mass was obtained for the highest CO2 level environment. However, for treatments that received water volumes equal or greater than the evapotranspiration rate, the greatest total fresh fruit mass was observed at the 600 mmol mol-1 of CO2 environment. The yield increase due to CO2 was represented by increase in fruit weight and not in fruit number. Water use efficiency increased in relation to the amount of water applied and it was highest at 600 mmol mol-1 CO2 concentration. MenosGreenhouse production of vegetables is widely used throughout the world. Elevated carbon dioxide (CO2) concentrations in these closed environments can increase net photosynthesis and yield. The objective of this study was to determine the effects of atmospheric CO2 enrichment and water supply on the growth of potted bell pepper (Capsicum annuum L.) plants, cultivated under controlled environmental conditions. CO2 was applied daily, and its distribution was monitored above plant rows through micro pipes located at 3.0 m height. A drip irrigation system with one dripper per plant was used to irrigate the plants. Different volumes of irrigation water, representing fractions of the water volume (Vet) consumed by pot plants growing under no water stress conditions (0.5Vet, 0.65Vet, 1.0Vet, and 1.35Vet) with four replications, were evaluated under four different CO2 levels (atmospheric concentration of 367, 600, 800, and 1000 mmol mol-1). Total fresh fruit mass, average number of fruits, and water use efficiency were recorded. For the water deficit treatments, the greatest fresh fruit mass was obtained for the highest CO2 level environment. However, for treatments that received water volumes equal or greater than the evapotranspiration rate, the greatest total fresh fruit mass was observed at the 600 mmol mol-1 of CO2 environment. The yield increase due to CO2 was represented by increase in fruit weight and not in fruit number. Water use efficiency increased in relation to the amo... Mostrar Tudo |
|
Palavras-Chave: |
Ambiente protegido; Gás carbônico; Uso de água. |
|
Thesagro: |
Capsicum Annuum; Estufa; Irrigação; Pimentão. |
|
Categoria do assunto: |
--
P Recursos Naturais, Ciências Ambientais e da Terra |
|
Marc: |
LEADER 02246naa a2200241 a 4500
001 1015105
005 2020-08-20
008 2003 bl uuuu u00u1 u #d
100 1 $aREZENDE, F. C.
245 $aCO2 and irrigation in relation to yield and water use of the bell pepper crop.
260 $c2003
520 $aGreenhouse production of vegetables is widely used throughout the world. Elevated carbon dioxide (CO2) concentrations in these closed environments can increase net photosynthesis and yield. The objective of this study was to determine the effects of atmospheric CO2 enrichment and water supply on the growth of potted bell pepper (Capsicum annuum L.) plants, cultivated under controlled environmental conditions. CO2 was applied daily, and its distribution was monitored above plant rows through micro pipes located at 3.0 m height. A drip irrigation system with one dripper per plant was used to irrigate the plants. Different volumes of irrigation water, representing fractions of the water volume (Vet) consumed by pot plants growing under no water stress conditions (0.5Vet, 0.65Vet, 1.0Vet, and 1.35Vet) with four replications, were evaluated under four different CO2 levels (atmospheric concentration of 367, 600, 800, and 1000 mmol mol-1). Total fresh fruit mass, average number of fruits, and water use efficiency were recorded. For the water deficit treatments, the greatest fresh fruit mass was obtained for the highest CO2 level environment. However, for treatments that received water volumes equal or greater than the evapotranspiration rate, the greatest total fresh fruit mass was observed at the 600 mmol mol-1 of CO2 environment. The yield increase due to CO2 was represented by increase in fruit weight and not in fruit number. Water use efficiency increased in relation to the amount of water applied and it was highest at 600 mmol mol-1 CO2 concentration.
650 $aCapsicum Annuum
650 $aEstufa
650 $aIrrigação
650 $aPimentão
653 $aAmbiente protegido
653 $aGás carbônico
653 $aUso de água
700 1 $aFRIZZONE, J. A.
700 1 $aOLIVEIRA, R. F.
700 1 $aPEREIRA, A. S.
773 $tScientia Agricola, Piracicaba$gv. 60, n. 1, p. 7-12, jan./mar. 2003.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Meio Ambiente (CNPMA) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
Registro Completo
|
Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
|
Data corrente: |
20/05/2011 |
|
Data da última atualização: |
20/05/2011 |
|
Autoria: |
CUENCA, M. A. G.; NAZARIO, C. C. |
|
Afiliação: |
MANUEL ALBERTO GUTIERREZ CUENCA, CPATC; CRISTIANO CAMPOS NAZARIO. |
|
Título: |
Características e evolução da cultura do milho no estado de Alagoas entre 1990 e 2003. |
|
Ano de publicação: |
2005 |
|
Fonte/Imprenta: |
Aracaju: Embrapa Tabuleiros Costeiros, 2005. |
|
Páginas: |
31 p. |
|
Descrição Física: |
il.; color. |
|
Série: |
(Embrapa Tabuleiros Costeiros. Documentos,83). |
|
Idioma: |
Português |
|
Palavras-Chave: |
Alagoas; Nordeste. |
|
Thesagro: |
Economia; Milho. |
|
Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/35105/1/doc-83.pdf
|
|
Marc: |
LEADER 00569nam a2200181 a 4500
001 1889155
005 2011-05-20
008 2005 bl uuuu u0uu1 u #d
100 1 $aCUENCA, M. A. G.
245 $aCaracterísticas e evolução da cultura do milho no estado de Alagoas entre 1990 e 2003.$h[electronic resource]
260 $aAracaju: Embrapa Tabuleiros Costeiros$c2005
300 $a31 p.$cil.; color.
490 $a(Embrapa Tabuleiros Costeiros. Documentos,83).
650 $aEconomia
650 $aMilho
653 $aAlagoas
653 $aNordeste
700 1 $aNAZARIO, C. C.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
