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Registro Completo |
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Biblioteca(s): |
Embrapa Maranhão. |
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Data corrente: |
24/06/2024 |
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Data da última atualização: |
24/06/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FIGUEIREDO, T. L.; APOLINÁRIO, V. X. de O.; COELHO, J. J.; MUNIZ, L. C.; SOUSA, M. K. de C. R. de; SOUZA, R. A.; CARNEIRO, G. C. da S.; VILHENA, N. C.; COSTA, J. B.; DUBEUX JÚNIOR, J. C. B. |
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Afiliação: |
THAÍS LIMA FIGUEIREDO, UEMA; VALÉRIA XAVIER DE OLIVEIRA APOLINÁRIO, UEMA; JANERSON JOSÉ COELHO, UECE; LUCIANO CAVALCANTE MUNIZ, UEMA; MARIA KAROLINE DE CARVALHO RODRIGUES DE SOUSA, UEMA; RAABE ALVES SOUZA, UEMA; GISELLE CRISTINA DA SILVA CARNEIRO, UEMA; NATANNAEL CASTRO VILHENA, UEMA; JOAQUIM BEZERRA COSTA, CPACP; JOSE CARLOS BATISTA DUBEUX JÚNIOR, UNIVERSITY OF FLORIDA IFAS. |
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Título: |
Urea fertilization for potentializing beef cattle performance in agroforestry systems in the humid tropics. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Grass and Forage Science, 2024. |
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DOI: |
10.1111/gfs.12683 |
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Idioma: |
Inglês |
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Conteúdo: |
This study hypothesized that urea fertilization could optimize animal performance in an agroforestry system. This study evaluated how increasing rates of N fertilization (0, 100, 200, and 400 kg N ha-1 year-1) using urea (CH4N2O) affected forage mass, nutritive value, and beef cattle (Bos indicus) performance in an agroforestry system with Massai grass (Megathyrsus maximus Jacq. cv. Massai) and legume tree (Mimosa caesalpiniifolia Benth.), in the humid tropic region of Brazil, over 2-year period. The experiment was carried out in a randomized complete block design with four treatments (N fertilizer rates) and three replications. Forage mass was positive and linearly affected by N fertilization (p = .0236, R2 = 0.92), ranging from 1297 to 1583 kg DM ha-1 under 0 and 400 kg N ha-1 year-1, respectively. There was greater average forage mass during the rainy period (1826 kg ha-1) (p < .05). Crude protein in green forage mass increased linearly (p = .0041, R2 = 0.91) in function of the N applied. Cattle average daily gain showed a positive quadratic response to the rates of N applied (p = .0298, R2 = 0.97), ranging from 0.46 kg to 0.68 kg animal day-1; and the gain per area increased linearly from 1.84 to 2.68 kg LW ha-1 day-1 (p = .0640, R2 = 0.96). The findings indicate that applying 200 kg N ha-1 year-1, split-applied during the rainy season, would yield acceptable outcomes in terms of forage mass, nutritive value, and animal performance for this type of agroforestry system. |
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Palavras-Chave: |
Adubação nitrogenada; Fertilização; ILPF; N efficiency. |
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Thesagro: |
Uréia. |
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Thesaurus Nal: |
Animal performance; Megathyrsus maximus. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02450naa a2200325 a 4500
001 2165077
005 2024-06-24
008 2024 bl uuuu u00u1 u #d
024 7 $a10.1111/gfs.12683$2DOI
100 1 $aFIGUEIREDO, T. L.
245 $aUrea fertilization for potentializing beef cattle performance in agroforestry systems in the humid tropics.$h[electronic resource]
260 $c2024
520 $aThis study hypothesized that urea fertilization could optimize animal performance in an agroforestry system. This study evaluated how increasing rates of N fertilization (0, 100, 200, and 400 kg N ha-1 year-1) using urea (CH4N2O) affected forage mass, nutritive value, and beef cattle (Bos indicus) performance in an agroforestry system with Massai grass (Megathyrsus maximus Jacq. cv. Massai) and legume tree (Mimosa caesalpiniifolia Benth.), in the humid tropic region of Brazil, over 2-year period. The experiment was carried out in a randomized complete block design with four treatments (N fertilizer rates) and three replications. Forage mass was positive and linearly affected by N fertilization (p = .0236, R2 = 0.92), ranging from 1297 to 1583 kg DM ha-1 under 0 and 400 kg N ha-1 year-1, respectively. There was greater average forage mass during the rainy period (1826 kg ha-1) (p < .05). Crude protein in green forage mass increased linearly (p = .0041, R2 = 0.91) in function of the N applied. Cattle average daily gain showed a positive quadratic response to the rates of N applied (p = .0298, R2 = 0.97), ranging from 0.46 kg to 0.68 kg animal day-1; and the gain per area increased linearly from 1.84 to 2.68 kg LW ha-1 day-1 (p = .0640, R2 = 0.96). The findings indicate that applying 200 kg N ha-1 year-1, split-applied during the rainy season, would yield acceptable outcomes in terms of forage mass, nutritive value, and animal performance for this type of agroforestry system.
650 $aAnimal performance
650 $aMegathyrsus maximus
650 $aUréia
653 $aAdubação nitrogenada
653 $aFertilização
653 $aILPF
653 $aN efficiency
700 1 $aAPOLINÁRIO, V. X. de O.
700 1 $aCOELHO, J. J.
700 1 $aMUNIZ, L. C.
700 1 $aSOUSA, M. K. de C. R. de
700 1 $aSOUZA, R. A.
700 1 $aCARNEIRO, G. C. da S.
700 1 $aVILHENA, N. C.
700 1 $aCOSTA, J. B.
700 1 $aDUBEUX JÚNIOR, J. C. B.
773 $tGrass and Forage Science, 2024.
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Registro original: |
Embrapa Maranhão (CPACP) |
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