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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
09/12/1998 |
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Data da última atualização: |
19/03/2018 |
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Autoria: |
VIEIRA, R. F.; CARDOSO, E. J. B. N.; VIEIRA, C.; CASSINI, S. T. A. |
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Afiliação: |
ROSANA FARIA VIEIRA, CNPMA; ELKE JURANDY BRAN NOGUEIRA CARDOSO, UFV. |
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Título: |
Foliar application of Molybdenum in common bean. III. effect on nodulation. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Journal of Plant Nutrition, v.21, n. 10, p. 2161-2161, 1998. |
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Idioma: |
Inglês |
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Conteúdo: |
Two field experiments were conducted, one in Vicosa, Brazil (high fertility soil), and the other in Coimbra, Brazil (low fertility soil) to verify the effect of molybdenum (Mo), nitrogen (N), or Rhizobium on growth of common bean (Phaseolus vulgaris). Plants were either given a foliar application of 40 g Mo ha-1, or an addition of N fertilizer (20 kg ha-1 at planting and/or 30 kg ha-1 as a side dressing), or inoculated with two selected Rhizobium strains. Nodulation parameters of common bean (cv. Ouro Preto 1992) were measured. At both sites, Mo application at 25 days after plant emergence decreased nodule number per plant, while nodule weight was not affected in Vicosa and was increased in Coimbra at 46 days after plant emergence. However, N application at planting decreased the number and the weight of nodules at both sites, while N side dressed did not affect nodule number or weight. Therefore, the main effect of Mo fertilization was an increase in the size of nodules. The main effect of Mo on nodulation appears to be the avoidance of nodule senescence, and so maintaining a longer period of effective N2 fixation. |
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Palavras-Chave: |
Deficiency; Fertility; Plant emergence; Rhizobia. |
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Thesaurus Nal: |
foliar application; nitrogen fixation; nodulation. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1013077
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100 1 $aVIEIRA, R. F.
245 $aFoliar application of Molybdenum in common bean. III. effect on nodulation.$h[electronic resource]
260 $c1998
520 $aTwo field experiments were conducted, one in Vicosa, Brazil (high fertility soil), and the other in Coimbra, Brazil (low fertility soil) to verify the effect of molybdenum (Mo), nitrogen (N), or Rhizobium on growth of common bean (Phaseolus vulgaris). Plants were either given a foliar application of 40 g Mo ha-1, or an addition of N fertilizer (20 kg ha-1 at planting and/or 30 kg ha-1 as a side dressing), or inoculated with two selected Rhizobium strains. Nodulation parameters of common bean (cv. Ouro Preto 1992) were measured. At both sites, Mo application at 25 days after plant emergence decreased nodule number per plant, while nodule weight was not affected in Vicosa and was increased in Coimbra at 46 days after plant emergence. However, N application at planting decreased the number and the weight of nodules at both sites, while N side dressed did not affect nodule number or weight. Therefore, the main effect of Mo fertilization was an increase in the size of nodules. The main effect of Mo on nodulation appears to be the avoidance of nodule senescence, and so maintaining a longer period of effective N2 fixation.
650 $afoliar application
650 $anitrogen fixation
650 $anodulation
653 $aDeficiency
653 $aFertility
653 $aPlant emergence
653 $aRhizobia
700 1 $aCARDOSO, E. J. B. N.
700 1 $aVIEIRA, C.
700 1 $aCASSINI, S. T. A.
773 $tJournal of Plant Nutrition$gv.21, n. 10, p. 2161-2161, 1998.
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| 2. |  | SANTANA, C. A. M.; TORRES, D. A. P.; GUIDUCCI, R. do C. N.; ALVES, M. A. da S.; CASSALES, F. L. G.; SOUZA, G. da S. e; ASSAD, E. D.; PELLEGRINO, G. Q.; BARIONI, L. G.; SOUZA, M. O. de; CHAIB FILHO, H.; MARRA, R.; MOTA, M. M. Regional review: R5 Productive capacity of Brazilian agriculture: a long-term perspective. London: Forsight Project on Global Food and Farming Futures, 2011.| Tipo: Autoria/Organização/Edição de Livros |
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