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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
08/03/1999 |
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Data da última atualização: |
08/03/1999 |
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Autoria: |
AZAM-ALI, S .N.; GREGORY, P. J.; MONTEITH, J. L. |
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Afiliação: |
O.D.A. Microclimatology Group, University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, England. |
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Título: |
Effect of planting density on water use and productivity of pearl millet (Pennisetum typhoides) grown on stored water. I. Growth of roots and shoots. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Experimental Agriculture, v.20, n.3, p.203-214, 1984. |
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Idioma: |
Inglês |
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Conteúdo: |
Pearl millet (Pennisetum typhoides) was grown on stored water at Niamey, Niger, using three row spacings (38, 75 and 150 cm), to determine the physiological basis of exploitation and conservation of water by crops during drought. Between 18 and 32 days after sowing, roots grew rapidly beneath all crops reaching 140 cm in the narrow spacing, but there were differences between crops in the pattern of growth. Soil cores and trench profiles indicated that plants in wider rows had fewer, deeper roots. Substantial differences in both the amount and pattern of shoot growth were recorded in the different populations. Initially growth was fasted at the narrow spacing but stopped by day 45 and eventually the wide spacing produced most dry matter due mainly to greater survival of tillers. The partioning of above ground dry matter into vegtative and reproductive fractions was similar at all three spacings and was consistent with figures for comparable crops elsewhere. The important role of tillers is discussed in relation to the development and maintenance of a canopy. |
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Palavras-Chave: |
Broto; Growth; Pearl millet; Root; Shoot. |
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Thesagro: |
Água; Crescimento; Painço; Pennisetum Typhoides; Raiz. |
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Thesaurus Nal: |
water. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01835naa a2200277 a 4500
001 1794010
005 1999-03-08
008 1984 bl --- 0-- u #d
100 1 $aAZAM-ALI, S .N.
245 $aEffect of planting density on water use and productivity of pearl millet (Pennisetum typhoides) grown on stored water. I. Growth of roots and shoots.
260 $c1984
520 $aPearl millet (Pennisetum typhoides) was grown on stored water at Niamey, Niger, using three row spacings (38, 75 and 150 cm), to determine the physiological basis of exploitation and conservation of water by crops during drought. Between 18 and 32 days after sowing, roots grew rapidly beneath all crops reaching 140 cm in the narrow spacing, but there were differences between crops in the pattern of growth. Soil cores and trench profiles indicated that plants in wider rows had fewer, deeper roots. Substantial differences in both the amount and pattern of shoot growth were recorded in the different populations. Initially growth was fasted at the narrow spacing but stopped by day 45 and eventually the wide spacing produced most dry matter due mainly to greater survival of tillers. The partioning of above ground dry matter into vegtative and reproductive fractions was similar at all three spacings and was consistent with figures for comparable crops elsewhere. The important role of tillers is discussed in relation to the development and maintenance of a canopy.
650 $awater
650 $aÁgua
650 $aCrescimento
650 $aPainço
650 $aPennisetum Typhoides
650 $aRaiz
653 $aBroto
653 $aGrowth
653 $aPearl millet
653 $aRoot
653 $aShoot
700 1 $aGREGORY, P. J.
700 1 $aMONTEITH, J. L.
773 $tExperimental Agriculture$gv.20, n.3, p.203-214, 1984.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Registros recuperados : 119 | |
| 1. |  | TORRES, T. Z. Avaliação de desempenho. In: TORRES, T. Z.; MAZIERO, M. das D. S.; VEDOVELLO, J. G. Gestão de pessoas: tecnologias e processos. Campo Limpo Paulista: Faccamp, 2014. p. 155-182.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Agricultura Digital. |
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| 5. | | TORRES, T. Z. Planejamento e administração estratégica. In: DIAS, R.; TORRES, T. Z.; CASSAR, M. Introdução à administração: da competitividade à sustentabilidade. 3. ed. rev. Campinas: Alínea, 2013. p. 117-179.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Agricultura Digital. |
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| 8. | | TORRES, T. Z. Recrutamento e seleção de pessoas. In: TORRES, T. Z.; MAZIERO, M. das D. S.; VEDOVELLO, J. G. Gestão de pessoas: tecnologias e processos. Campo Limpo Paulista: Faccamp, 2014. p. 49-70| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Agricultura Digital. |
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| 9. | | TORRES, T. Z. Remuneração e plano de carreira. In: TORRES, T. Z.; MAZIERO, M. das D. S.; VEDOVELLO, J. G. Gestão de pessoas: tecnologias e processos. Campo Limpo Paulista: Faccamp, 2014. p. 71-96.| Tipo: Capítulo em Livro Técnico-Científico |
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| Registros recuperados : 119 | |
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