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| 561. |  | ANDRADE JUNIOR, A. S. de; RODRIGUES, B. H. N.; FRIZZONE, J. A.; CARDOSO, M. J.; BASTOS, E. A.; MELO, F. de B. Niveis de irrigacao na cultura da feijao caupi. In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRICOLA, 28., 1999, Pelotas, RS. A engenharia agricola: tendencias e inovacoes - [anais]. Pelotas: SBEA, 1999. nao paginado. CD-ROM. Trabalho 509.| Biblioteca(s): Embrapa Hortaliças. |
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| 562. | | ANDRADE JUNIOR, A. S. de; RODRIGUES, B. H. N.; FRIZZONE, J. A.; CARDOSO, M. J.; BASTOS, E. A.; MELO, F. de B. Niveis de irrigacao na cultura do feijao caupi. In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRICOLA, 28., 1999, Pelotas. A Engenharia agricola: tendencias e inovacoes - anais. Pelotas:SBEA/UFPEL-FEA, 1999. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte. |
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| 563. | | ANDRADE JÚNIOR, A. S. de; RODRIGUES, B. H. N.; FRIZZONE, J. A.; CARDOSO, M. J.; BASTOS, E. A.; MELO, F. de B. Níveis de irrigação na cultura do feijão caupi. Revista Brasileira de Engenharia Agrícola e Ambiental, v. 6, n. 1, p. 17-20, 2002.| Biblioteca(s): Embrapa Algodão; Embrapa Hortaliças; Embrapa Meio-Norte. |
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| 564. | | ANDRADE JUNIOR, A. S.; RODRIGUES, B. H. N.; ATHAYDE SOBRINHO, C.; MELO, F. B.; BASTOS, E. A.; CARDOSO, M. J.; DUARTE, R. L. R.; RIBEIRO, V. Q. Niveis de irrigacao na cultura da melancia. In: CONGRESSO BRASILEIRO DE OLERICULTURA, 37., 1997, Manaus. Horticultura Brasileira, Brasilia, v. 15, 1997. Suplemento. Resumo 006. Nao paginado.| Biblioteca(s): Embrapa Meio-Norte. |
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| 565. | | ANDRADE JUNIOR, A. S. de; RODRIGUES, B. H. N.; ATHAYDE SOBRINHO, C.; MELO, F. de B.; CARDOSO, M. J.; FRIZZONE, J. A. Niveis de irrigacao por gotejamento em melancia. In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRICOLA, 27., 1998, Pocos de Caldas. Anais... Lavras: UFLA/SBEA, 1998. v. 1, p. 1-3.| Biblioteca(s): Embrapa Meio-Norte. |
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| 567. | | LOPES, A. da S.; ANDRADE JUNIOR, A. S. de; BASSOI, L. H.; SILVA, J. F.; BASTOS, E. A.; PAULO, V. de F. Nitrous oxide emission in response to N application in irrigated sugarcane. Emissão de óxido nitroso em resposta à aplicação de N em cana-de-açúcar irrigada. Revista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande, v. 22, n. 11, p.758-763, 2018.| Biblioteca(s): Embrapa Meio-Norte. |
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| 570. | | ANDRADE JUNIOR, A. S. de; RODRIGUES, B. H. N.; ATHAYDE SOBRINHO, C; MELO, F. de B.; BASTOS, E. A.; CARDOSO, M. J.; DUARTE, R. L.; RIBEIRO, V. Q. Niveis de agua na cultura da melancia. II.Resultados de 1996. Teresina: EMBRAPA-CPAMN, 1997. 6p. (EMBRAPA-CPAMN. Pesquisa em Andamento, 71)| Biblioteca(s): Embrapa Meio-Norte. |
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| 571. | | VELOSO, M. E. da C.; DUARTE, R. L. R.; ANDRADE JÚNIOR, A. S.; SOUZA, V. F. de; MELO, F. de B.; RIBEIRO, V. Q. Níveis de água e nitrogênio na cultura do alho. In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRÍCOLA, 31., Salvador, 2002. A engenharia agrícola para o desenvolvimento sustentável: água, energia e meio ambiente: [anais]. Salvador: SBEA: UFBA: Embrapa, 2002. 1 CD-ROM.| Biblioteca(s): Embrapa Hortaliças. |
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| 572. | | ANDRADE JUNIOR, A. S. de; BASTOS, E. A.; RIBEIRO, V. Q.; DUARTE, J. A. L.; BRAGA, D. L.; NOLETO, D. H. Níveis de água, nitrogênio e potássio por gotejamento subsuperficial em cana-de-açúcar. Pesquisa Agropecuária Brasileira, Brasília, v. 47, n. 1, p. 76-84, jan. 2012.| Biblioteca(s): Embrapa Meio-Norte; Embrapa Unidades Centrais. |
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| 573. | | SILVA FILHO, V. C. da; ANDRADE JUNIOR, A. S. de; RIBEIRO, V. Q.; MELO, F. de B.; LOPES, A. da S. Nitrate and potassium dynamics in profiles of soils cultivated with fertigated sugarcane crops. Revista Caatinga, Mossoró, v. 32, n. 4, p. 924-933, out./dez. 2019.| Biblioteca(s): Embrapa Meio-Norte. |
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| 574. | | RAMOS, H. M. M.; VALLADARES, G. S.; ANDRADE JUNIOR, A. S. de; MATOS FILHO, C. H. A.; SOUSA, R. S. de; MOUSINHO, F. E. P. Pedotransference functions for prediction of density in soils of Piauí, Brazil. Brazilian Journal of Development, Curitiba, v. 8, n. 7, p. 50832-50850, jul. 2022.| Biblioteca(s): Embrapa Meio-Norte. |
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| 578. | | CARDOSO, M. J.; ANDRADE JUNIOR, A. S. de; CARVALHO, H. W. L. de; SANTOS, M. X. dos; OLIVEIRA, A. C. de; PARENTE, H. N. Rendimento de grãos de híbridos de milho sob irrigação. In: CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 14.; ENCONTRO LATINOAMERICANO DE IRRIGAÇÃO, DRENAGEM E CONTROLE DE ENCHENTES, 1., 2004, Porto Alegre. Anais...Porto Alegre: ABID, 2004. 1 CD-ROM.| Biblioteca(s): Embrapa Meio-Norte; Embrapa Milho e Sorgo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Pecuária Sudeste. |
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Data corrente: |
14/11/2019 |
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Data da última atualização: |
14/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BERÇA, A. S.; CARDOSO, A. da S.; LONGHIGY, V. Z.; TEDESCHI, L. O.; BODDEY, R. M.; BERNDT, A.; REIS, R. A.; RUGGIERI, A. C. |
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Afiliação: |
Andressa S. Berça, UNESP JABOTICABAL; Abmael da S. Cardoso, UNESP JABOTICABAL; Vanessa Z. Longhini, UNESP JABOTICABAL; Luís O. Tedeschi, TEXAS UNIVERSITY; ROBERT MICHAEL BODDEY, CNPAB; ALEXANDRE BERNDT, CPPSE; Ricardo A. Reis, UNESP; Ana Cláudia Ruggieri, UNESP. |
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Título: |
Methane production and nitrogen balance of dairy heifers grazing palisade grass cv. Marandu alone or with forage peanu |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Journal of Animal Science, v. 97, n. 11, , p. 4625-4634, nov. 2019. |
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ISSN: |
0021-8812 |
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DOI: |
https://doi.org/10.1093/jas/skz310 |
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Idioma: |
Inglês |
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Conteúdo: |
Livestock production systems are an essential agribusiness activity in Brazil, but a critical challenge of Brazilian farmers is to maintain the equilibrium of the ecosystem, using herbage resources efficiently with a minimum impact on the environment. Nitrogen (N) fertilization and the inclusion of forage legumes into tropical grass pastures are management strategies which increase the productivity and nutritive value of pastures and may also affect methane (CH4) production by ruminants. The objective of this study was to examine the effects of either fertilizing palisade grass pastures with N or including the forage peanut (Arachis pintoi) into grass pastures on enteric CH4 emission, microbial protein production in the rumen via purine derivatives in the urine, and N balance. Twenty-one nonlactating crossbred dairy heifers were used in a completely randomized design with 3 treatments. The treatments consisted of pastures of palisade grass without N fertilization (control), fertilized with urea (fertilized), and palisade grass mixed with forage peanut (mixed). Seven animals (replications) were used to evaluate dry matter intake, digestibility, CH4 emission, urea, purine derivatives, and volume of urine, and N ingestion and excretion. Four paddocks (replications) were used to measure herbage mass; morphological, botanical, and chemical composition of herbage; and herbage allowance. The CH4 emissions were determined using the sulfur hexafluoride (SF6) tracer gas technique. The efficiency of N utilization (ENU) was calculated using the N balance data. Crude protein (CP) concentration of herbage increased with fertilization or legumes inclusion (P < 0.0001) while neutral detergent fiber (NDF) concentration decreased (P = 0.0355). The leaf allowance was higher in the fertilized treatment (P = 0.0294). Only uric acid excretion increased with N fertilization (P = 0.0204). The ENU was not affected by fertilized or mixed compared to control and averaged 55% (P = 0.8945). The enteric CH4 production was similar between treatments and averaged 129 g/d (P = 0.3989). We concluded that the changes in chemical composition of herbage provided by N fertilization or the inclusion of the legume showed no reduction in enteric CH4 emissions, but the ENU was more significant than previous studies with palisade grass, suggesting that different management strategies might alter the ENU under grazing conditions. MenosLivestock production systems are an essential agribusiness activity in Brazil, but a critical challenge of Brazilian farmers is to maintain the equilibrium of the ecosystem, using herbage resources efficiently with a minimum impact on the environment. Nitrogen (N) fertilization and the inclusion of forage legumes into tropical grass pastures are management strategies which increase the productivity and nutritive value of pastures and may also affect methane (CH4) production by ruminants. The objective of this study was to examine the effects of either fertilizing palisade grass pastures with N or including the forage peanut (Arachis pintoi) into grass pastures on enteric CH4 emission, microbial protein production in the rumen via purine derivatives in the urine, and N balance. Twenty-one nonlactating crossbred dairy heifers were used in a completely randomized design with 3 treatments. The treatments consisted of pastures of palisade grass without N fertilization (control), fertilized with urea (fertilized), and palisade grass mixed with forage peanut (mixed). Seven animals (replications) were used to evaluate dry matter intake, digestibility, CH4 emission, urea, purine derivatives, and volume of urine, and N ingestion and excretion. Four paddocks (replications) were used to measure herbage mass; morphological, botanical, and chemical composition of herbage; and herbage allowance. The CH4 emissions were determined using the sulfur hexafluoride (SF6) tracer gas technique. The... Mostrar Tudo |
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Palavras-Chave: |
Tropical grass pastures. |
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Thesaurus NAL: |
Arachis pintoi; Dry matter intake. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 03265naa a2200265 a 4500
001 2114373
005 2019-11-14
008 2019 bl uuuu u00u1 u #d
022 $a0021-8812
024 7 $ahttps://doi.org/10.1093/jas/skz310$2DOI
100 1 $aBERÇA, A. S.
245 $aMethane production and nitrogen balance of dairy heifers grazing palisade grass cv. Marandu alone or with forage peanu$h[electronic resource]
260 $c2019
520 $aLivestock production systems are an essential agribusiness activity in Brazil, but a critical challenge of Brazilian farmers is to maintain the equilibrium of the ecosystem, using herbage resources efficiently with a minimum impact on the environment. Nitrogen (N) fertilization and the inclusion of forage legumes into tropical grass pastures are management strategies which increase the productivity and nutritive value of pastures and may also affect methane (CH4) production by ruminants. The objective of this study was to examine the effects of either fertilizing palisade grass pastures with N or including the forage peanut (Arachis pintoi) into grass pastures on enteric CH4 emission, microbial protein production in the rumen via purine derivatives in the urine, and N balance. Twenty-one nonlactating crossbred dairy heifers were used in a completely randomized design with 3 treatments. The treatments consisted of pastures of palisade grass without N fertilization (control), fertilized with urea (fertilized), and palisade grass mixed with forage peanut (mixed). Seven animals (replications) were used to evaluate dry matter intake, digestibility, CH4 emission, urea, purine derivatives, and volume of urine, and N ingestion and excretion. Four paddocks (replications) were used to measure herbage mass; morphological, botanical, and chemical composition of herbage; and herbage allowance. The CH4 emissions were determined using the sulfur hexafluoride (SF6) tracer gas technique. The efficiency of N utilization (ENU) was calculated using the N balance data. Crude protein (CP) concentration of herbage increased with fertilization or legumes inclusion (P < 0.0001) while neutral detergent fiber (NDF) concentration decreased (P = 0.0355). The leaf allowance was higher in the fertilized treatment (P = 0.0294). Only uric acid excretion increased with N fertilization (P = 0.0204). The ENU was not affected by fertilized or mixed compared to control and averaged 55% (P = 0.8945). The enteric CH4 production was similar between treatments and averaged 129 g/d (P = 0.3989). We concluded that the changes in chemical composition of herbage provided by N fertilization or the inclusion of the legume showed no reduction in enteric CH4 emissions, but the ENU was more significant than previous studies with palisade grass, suggesting that different management strategies might alter the ENU under grazing conditions.
650 $aArachis pintoi
650 $aDry matter intake
653 $aTropical grass pastures
700 1 $aCARDOSO, A. da S.
700 1 $aLONGHIGY, V. Z.
700 1 $aTEDESCHI, L. O.
700 1 $aBODDEY, R. M.
700 1 $aBERNDT, A.
700 1 $aREIS, R. A.
700 1 $aRUGGIERI, A. C.
773 $tJournal of Animal Science$gv. 97, n. 11, , p. 4625-4634, nov. 2019.
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