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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
09/05/2023 |
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Autoria: |
MOLLOY, L. F.; BALL, R.; COLLIE, T. W.; ROSS, D. J. |
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Título: |
Influence of fertiliser nitrogen on higher fatty acids and on Mg, Ca, K, and P in grazed grass-clover herbage. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
New Zealand Journal of Agricultural Research, v. 21, n. 1, p. 57-64, 1978. |
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DOI: |
10.1080/00288233.1978.10427383 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Total and individual higher fatty acid contents, and Mg, Ca, K, and P contents were measured throughout a year in a grass-clover pasture fertilised with lime-ammonium nitrate at 0, 112, and 448 kg N/ha. Higher fatty acid content of the herbage was highest for all treatments during late winter-early spring. Total higher fatty acid was significantly correlated with herbage total N and ?protein? N contents. The rate of fertiliser N application had no significant effect on levels of total or individual higher fatty acids. The proportions of individual higher fatty acids remained constant throughout the year, linolenic (c. 65%), palmitic (c. 14%), and linoleic (c. 10%) acids being the major components. Concentrations of Mg, Ca, K, and P in the herbage varied markedly throughout the year with Mg and Ca at a maximum during summer and early autumn. Nitrogen fertiliser application had no overall significant effect on the concentrations of these elements in the herbage; however, from May to January the total yield of each element was significantly increased by fertiliser application because of the increase in dry matter production. Results are discussed in relation to the role of pasture chemical composition in the hypomagnesaemic tetany syndrome. |
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Palavras-Chave: |
Adubacao quimica; Composicao acido graxo. |
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Thesagro: |
Pastagem Cultivada. |
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Thesaurus Nal: |
Chemical composition; Fatty acids; Fertilizers; Nitrogen fertilizers; Pasture management; Pastures; Ruminant nutrition. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02165naa a2200289 a 4500
001 1520266
005 2023-05-09
008 1978 bl uuuu u00u1 u #d
024 7 $a10.1080/00288233.1978.10427383$2DOI
100 1 $aMOLLOY, L. F.
245 $aInfluence of fertiliser nitrogen on higher fatty acids and on Mg, Ca, K, and P in grazed grass-clover herbage.$h[electronic resource]
260 $c1978
520 $aAbstract: Total and individual higher fatty acid contents, and Mg, Ca, K, and P contents were measured throughout a year in a grass-clover pasture fertilised with lime-ammonium nitrate at 0, 112, and 448 kg N/ha. Higher fatty acid content of the herbage was highest for all treatments during late winter-early spring. Total higher fatty acid was significantly correlated with herbage total N and ?protein? N contents. The rate of fertiliser N application had no significant effect on levels of total or individual higher fatty acids. The proportions of individual higher fatty acids remained constant throughout the year, linolenic (c. 65%), palmitic (c. 14%), and linoleic (c. 10%) acids being the major components. Concentrations of Mg, Ca, K, and P in the herbage varied markedly throughout the year with Mg and Ca at a maximum during summer and early autumn. Nitrogen fertiliser application had no overall significant effect on the concentrations of these elements in the herbage; however, from May to January the total yield of each element was significantly increased by fertiliser application because of the increase in dry matter production. Results are discussed in relation to the role of pasture chemical composition in the hypomagnesaemic tetany syndrome.
650 $aChemical composition
650 $aFatty acids
650 $aFertilizers
650 $aNitrogen fertilizers
650 $aPasture management
650 $aPastures
650 $aRuminant nutrition
650 $aPastagem Cultivada
653 $aAdubacao quimica
653 $aComposicao acido graxo
700 1 $aBALL, R.
700 1 $aCOLLIE, T. W.
700 1 $aROSS, D. J.
773 $tNew Zealand Journal of Agricultural Research$gv. 21, n. 1, p. 57-64, 1978.
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