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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
05/01/2001 |
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Data da última atualização: |
05/01/2001 |
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Autoria: |
MOREIRA, C. S. |
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Afiliação: |
Professor de Fruticultura. |
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Título: |
A Muda na Agricultura |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Sao Paulo: Associacao Brasileira de Irrigacao e Drenagem, [1987]. |
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Páginas: |
3p. |
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Idioma: |
Português |
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Notas: |
Palestra 9. Producao de Mudas Celio Moreira, SP, [1987]. |
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Conteúdo: |
A muda e a planta nova que aprenseta condicoes de vigor suficiente para ser plantada no lugar definitivo. Uma muda pode ser bastante nova, por exemplo a da alface a da banana, ou pode apresentar alguns anos de idade como a da seringueira, a dos citros, entre outras. Contribuem grandimente para determinar o tempo necessario para a muda atingir o estagio de transplante a especie vegetal considerada, e o meio ambiente do lugar definitivo. Com menor frequencia, razoes comercias tambem influem na idade em que a planta e considerada como muda. |
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Palavras-Chave: |
Formacao de muda; Propagacao; Propagation; Raizes; root; Seedling; Subistrato; Substratum. |
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Thesagro: |
Solo; Vermiculita. |
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Thesaurus Nal: |
soil. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01213nam a2200265 a 4500
001 1640164
005 2001-01-05
008 1987 bl uuuu u0uu1 u #d
100 1 $aMOREIRA, C. S.
245 $aA Muda na Agricultura
260 $aSao Paulo: Associacao Brasileira de Irrigacao e Drenagem, [1987].$c1987
300 $a3p.
500 $aPalestra 9. Producao de Mudas Celio Moreira, SP, [1987].
520 $aA muda e a planta nova que aprenseta condicoes de vigor suficiente para ser plantada no lugar definitivo. Uma muda pode ser bastante nova, por exemplo a da alface a da banana, ou pode apresentar alguns anos de idade como a da seringueira, a dos citros, entre outras. Contribuem grandimente para determinar o tempo necessario para a muda atingir o estagio de transplante a especie vegetal considerada, e o meio ambiente do lugar definitivo. Com menor frequencia, razoes comercias tambem influem na idade em que a planta e considerada como muda.
650 $asoil
650 $aSolo
650 $aVermiculita
653 $aFormacao de muda
653 $aPropagacao
653 $aPropagation
653 $aRaizes
653 $aroot
653 $aSeedling
653 $aSubistrato
653 $aSubstratum
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrossilvipastoril. Para informações adicionais entre em contato com cpamt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
01/02/2021 |
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Data da última atualização: |
04/01/2023 |
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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: |
DOMICIANO, L. F.; SANTOS, M. L. dos; BOOTE, K. J.; SANTOS, P. M.; PEREIRA, D. H.; PEDREIRA, B. C. e. |
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Afiliação: |
LEANDRO FERREIRA DOMICIANO, UFMT, Cuiaba-MT; MARIELY L. DOS SANTOS, USP - ESALQ; KENNETH J. BOOTE, University of Florida, Gainesville; PATRICIA MENEZES SANTOS, CPPSE; DALTON HENRIQUE PEREIRA, UFMT, Sinop-MT; BRUNO CARNEIRO E PEDREIRA, CPAMT. |
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Título: |
Physiological responses and forage accumulation of Marandu palisadegrass and Mombaça guineagrass to nitrogen fertilizer in the Brazilian forage-based systems. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Grassland Science, v. 67, n. 2, p. 93-101, 2021. |
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DOI: |
http://doi.org/10.1111/grs.12291 |
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Idioma: |
Inglês |
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Conteúdo: |
In Brazil, the livestock systems are mainly forage-based, and nitrogen inputs are an uncommon practice, despite its great benefits. The objective was to evaluate the effect of nitrogen input on the physiological responses of Marandu palisadegrass (Urochloa brizantha [Hochst. ex A. Rich.] R. D. Webster) and Mombaça guineagrass (Megathyrsus maximus [Jacq.] B. K. Simon & S. W. L. Jacobs), and its impacts on the forage accumulation rate (FAR). The experiment was carried out in Sinop, MT, Brazil, in a randomized block design with a 2 × 2 × 5 factorial arrangement (two cultivars: Mombaça and Marandu; unfertilized and fertilized [50 kg N ha-1 cycle-1]; and five seasons: autumn 2015, winter 2015, spring 2015, summer 2015 and autumn 2016) with three replicates. The experimental period was from March 2015 to June 2016, when plots were harvested to mimic intermittent stocking. Fertilized Mombaça presented greater FAR pastures (74.0 kg DM ha-1 day-1) than unfertilized (26.6 kg DM ha-1 day-1) and Marandu fertilized (52.5 kg DM ha-1 day-1), with the greatest values during the summer (147.6 kg DM ha-1 day-1). The greatest leaf (A) and canopy photosynthesis (CP) rates occurred on fertilized pastures during the summer 2015 and autumn 2015. Marandu presented 19% greater A than Mombaça. During the winter, under water stress, Marandu had greater water use efficiency (WUE). However, during the summer 2015 and autumn 16, Mombaça had the greatest WUE (12.76 umol CO2/mol H2O). In all seasons, Marandu presented the greatest chlorophyll index, which may support the greatest photosynthetic rates. It was concluded that Mombaça was highly responsive to nitrogen input during the rainy season with accumulation over 140 kg DM ha-1 day-1 and is recommended to intensified systems. Marandu had the greatest WUE in the lower precipitation seasons and is an alternative to a year-round strategy in forage-based systems. MenosIn Brazil, the livestock systems are mainly forage-based, and nitrogen inputs are an uncommon practice, despite its great benefits. The objective was to evaluate the effect of nitrogen input on the physiological responses of Marandu palisadegrass (Urochloa brizantha [Hochst. ex A. Rich.] R. D. Webster) and Mombaça guineagrass (Megathyrsus maximus [Jacq.] B. K. Simon & S. W. L. Jacobs), and its impacts on the forage accumulation rate (FAR). The experiment was carried out in Sinop, MT, Brazil, in a randomized block design with a 2 × 2 × 5 factorial arrangement (two cultivars: Mombaça and Marandu; unfertilized and fertilized [50 kg N ha-1 cycle-1]; and five seasons: autumn 2015, winter 2015, spring 2015, summer 2015 and autumn 2016) with three replicates. The experimental period was from March 2015 to June 2016, when plots were harvested to mimic intermittent stocking. Fertilized Mombaça presented greater FAR pastures (74.0 kg DM ha-1 day-1) than unfertilized (26.6 kg DM ha-1 day-1) and Marandu fertilized (52.5 kg DM ha-1 day-1), with the greatest values during the summer (147.6 kg DM ha-1 day-1). The greatest leaf (A) and canopy photosynthesis (CP) rates occurred on fertilized pastures during the summer 2015 and autumn 2015. Marandu presented 19% greater A than Mombaça. During the winter, under water stress, Marandu had greater water use efficiency (WUE). However, during the summer 2015 and autumn 16, Mombaça had the greatest WUE (12.76 umol CO2/mol H2O). In all seasons, Maran... Mostrar Tudo |
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Palavras-Chave: |
Chlorophyll index; Nitrogen fertilizer. |
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Thesaurus NAL: |
Photosynthesis; Water use efficiency. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02728naa a2200241 a 4500
001 2129727
005 2023-01-04
008 2021 bl uuuu u00u1 u #d
024 7 $ahttp://doi.org/10.1111/grs.12291$2DOI
100 1 $aDOMICIANO, L. F.
245 $aPhysiological responses and forage accumulation of Marandu palisadegrass and Mombaça guineagrass to nitrogen fertilizer in the Brazilian forage-based systems.$h[electronic resource]
260 $c2021
520 $aIn Brazil, the livestock systems are mainly forage-based, and nitrogen inputs are an uncommon practice, despite its great benefits. The objective was to evaluate the effect of nitrogen input on the physiological responses of Marandu palisadegrass (Urochloa brizantha [Hochst. ex A. Rich.] R. D. Webster) and Mombaça guineagrass (Megathyrsus maximus [Jacq.] B. K. Simon & S. W. L. Jacobs), and its impacts on the forage accumulation rate (FAR). The experiment was carried out in Sinop, MT, Brazil, in a randomized block design with a 2 × 2 × 5 factorial arrangement (two cultivars: Mombaça and Marandu; unfertilized and fertilized [50 kg N ha-1 cycle-1]; and five seasons: autumn 2015, winter 2015, spring 2015, summer 2015 and autumn 2016) with three replicates. The experimental period was from March 2015 to June 2016, when plots were harvested to mimic intermittent stocking. Fertilized Mombaça presented greater FAR pastures (74.0 kg DM ha-1 day-1) than unfertilized (26.6 kg DM ha-1 day-1) and Marandu fertilized (52.5 kg DM ha-1 day-1), with the greatest values during the summer (147.6 kg DM ha-1 day-1). The greatest leaf (A) and canopy photosynthesis (CP) rates occurred on fertilized pastures during the summer 2015 and autumn 2015. Marandu presented 19% greater A than Mombaça. During the winter, under water stress, Marandu had greater water use efficiency (WUE). However, during the summer 2015 and autumn 16, Mombaça had the greatest WUE (12.76 umol CO2/mol H2O). In all seasons, Marandu presented the greatest chlorophyll index, which may support the greatest photosynthetic rates. It was concluded that Mombaça was highly responsive to nitrogen input during the rainy season with accumulation over 140 kg DM ha-1 day-1 and is recommended to intensified systems. Marandu had the greatest WUE in the lower precipitation seasons and is an alternative to a year-round strategy in forage-based systems.
650 $aPhotosynthesis
650 $aWater use efficiency
653 $aChlorophyll index
653 $aNitrogen fertilizer
700 1 $aSANTOS, M. L. dos
700 1 $aBOOTE, K. J.
700 1 $aSANTOS, P. M.
700 1 $aPEREIRA, D. H.
700 1 $aPEDREIRA, B. C. e
773 $tGrassland Science$gv. 67, n. 2, p. 93-101, 2021.
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