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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
15/06/2004 |
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Data da última atualização: |
15/06/2004 |
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Autoria: |
KANNO, T.; MACEDO, M. C. M.; NAKAMURA, T.; YOSHIMURA, Y.; FUKUDA, E.; KANDA, K.; NAKANISHI, N.; SAITO, M.; ANDO, Y. |
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Afiliação: |
JIRCAS (Owashi, Japão). |
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Título: |
Grassland management technology for sustainable agro-pastoral systems in the subtropical zone of Brazil. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: SUENAGA, K.; OSHIBE, A.; TANIGUHI, T. (Ed.). Development of sustainable agro-pastoral systems in the subtropical zone of Brazil. Tsukuba: JIRCAS, 2004. |
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Páginas: |
p. 5-13. |
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Série: |
(JIRCAS. Working Report, 36).
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Idioma: |
Inglês |
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Notas: |
CNPGC. Proceedings of the Workshop on the results and prospects of comprehensive studies on the development of sustainable agro-pastoral systems in the subtropical zone of Brazil, 2003.
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Conteúdo: |
The purpose of this study is to develop grassland management technology for sustainable agro-pastoral systems in the Cerrado region of Brazil. Several pot experiments were conducted for understanding agronomic attributes of main forage species. Responses of three Brachiaria speceis to water deficit stress were examined in two pot experiments. In the water stress treatment. B. humidicola decreased water requirement and increased waer use efficiency both in the two experiments, consistently. Effects of arbuscular mycorrhizal fungi (AMF) on dry matter production and P acquisition were also examined for four grass species (B.decumnens [BD] B. brizantha (BB), B humidicola (HU), and maximum (PM) at three in a pot experiment. Inoculation of AMF and soil pH affected significantly on dry matter production and P acquisition of the grass species. Effect of soil pH on the mycorrhzal responsiveness in P acquisition was different among the grass species: at soil pH4.3, PM showed the highest responsiveness, while at 5.l and 6,4k, BB showed the higlhest values. In the grazing experiment at the National Beef Cattle Research Center (Embrapa Gado de Corte) N balance was examined in the two cropping sequences: PM pastures established after 4-year cultivation of soybeans (CS4-P4) and 4-year rotation of soybean with winter millet (CSW4-P4) PM pasture in CSW4-P4 produced less dry matter thain in CS4-P4, becouse larger amount of soil N was talen from the ecosystem as carcass and via ammonia volatilization from urine or dung during the winter millet grazing in the earlier 4-year rotation. Moreover, forage productivity was monitored during three years on the PM pastures (CS4-P4), BB pastures sown with corns simultaneously (CSWl-P4 was higher than the other pastures, whereas the amount of litter decomposed was also highest among the examined pastrues, because grazing pressure was insufficient comparing their productivity. On the other hand, forage productivity of BB pastures (CSW1-C1+P3)was less than the other pastures, presemably because the growth of BB was restricted by the competition with ther corns at the seeding establishment. Thus, it was concluded that maintaining soil N fertility and adequate grazing were keys for the sustainability of the agro-pastoral systems. MenosThe purpose of this study is to develop grassland management technology for sustainable agro-pastoral systems in the Cerrado region of Brazil. Several pot experiments were conducted for understanding agronomic attributes of main forage species. Responses of three Brachiaria speceis to water deficit stress were examined in two pot experiments. In the water stress treatment. B. humidicola decreased water requirement and increased waer use efficiency both in the two experiments, consistently. Effects of arbuscular mycorrhizal fungi (AMF) on dry matter production and P acquisition were also examined for four grass species (B.decumnens [BD] B. brizantha (BB), B humidicola (HU), and maximum (PM) at three in a pot experiment. Inoculation of AMF and soil pH affected significantly on dry matter production and P acquisition of the grass species. Effect of soil pH on the mycorrhzal responsiveness in P acquisition was different among the grass species: at soil pH4.3, PM showed the highest responsiveness, while at 5.l and 6,4k, BB showed the higlhest values. In the grazing experiment at the National Beef Cattle Research Center (Embrapa Gado de Corte) N balance was examined in the two cropping sequences: PM pastures established after 4-year cultivation of soybeans (CS4-P4) and 4-year rotation of soybean with winter millet (CSW4-P4) PM pasture in CSW4-P4 produced less dry matter thain in CS4-P4, becouse larger amount of soil N was talen from the ecosystem as carcass and via ammoni... Mostrar Tudo |
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Palavras-Chave: |
Agropastoral systems; Brasil; Brazilian savannas; Integração agricultura pecuária; Management; Sustainability; Sustentabilidade. |
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Thesagro: |
Cerrado; Manejo; Pastagem. |
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Thesaurus Nal: |
Brazil; pastures. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03638naa a2200397 a 4500
001 1325521
005 2004-06-15
008 2004 bl uuuu u00u1 u #d
100 1 $aKANNO, T.
245 $aGrassland management technology for sustainable agro-pastoral systems in the subtropical zone of Brazil.
260 $c2004
300 $ap. 5-13.
490 $a(JIRCAS. Working Report, 36).
500 $aCNPGC. Proceedings of the Workshop on the results and prospects of comprehensive studies on the development of sustainable agro-pastoral systems in the subtropical zone of Brazil, 2003.
520 $aThe purpose of this study is to develop grassland management technology for sustainable agro-pastoral systems in the Cerrado region of Brazil. Several pot experiments were conducted for understanding agronomic attributes of main forage species. Responses of three Brachiaria speceis to water deficit stress were examined in two pot experiments. In the water stress treatment. B. humidicola decreased water requirement and increased waer use efficiency both in the two experiments, consistently. Effects of arbuscular mycorrhizal fungi (AMF) on dry matter production and P acquisition were also examined for four grass species (B.decumnens [BD] B. brizantha (BB), B humidicola (HU), and maximum (PM) at three in a pot experiment. Inoculation of AMF and soil pH affected significantly on dry matter production and P acquisition of the grass species. Effect of soil pH on the mycorrhzal responsiveness in P acquisition was different among the grass species: at soil pH4.3, PM showed the highest responsiveness, while at 5.l and 6,4k, BB showed the higlhest values. In the grazing experiment at the National Beef Cattle Research Center (Embrapa Gado de Corte) N balance was examined in the two cropping sequences: PM pastures established after 4-year cultivation of soybeans (CS4-P4) and 4-year rotation of soybean with winter millet (CSW4-P4) PM pasture in CSW4-P4 produced less dry matter thain in CS4-P4, becouse larger amount of soil N was talen from the ecosystem as carcass and via ammonia volatilization from urine or dung during the winter millet grazing in the earlier 4-year rotation. Moreover, forage productivity was monitored during three years on the PM pastures (CS4-P4), BB pastures sown with corns simultaneously (CSWl-P4 was higher than the other pastures, whereas the amount of litter decomposed was also highest among the examined pastrues, because grazing pressure was insufficient comparing their productivity. On the other hand, forage productivity of BB pastures (CSW1-C1+P3)was less than the other pastures, presemably because the growth of BB was restricted by the competition with ther corns at the seeding establishment. Thus, it was concluded that maintaining soil N fertility and adequate grazing were keys for the sustainability of the agro-pastoral systems.
650 $aBrazil
650 $apastures
650 $aCerrado
650 $aManejo
650 $aPastagem
653 $aAgropastoral systems
653 $aBrasil
653 $aBrazilian savannas
653 $aIntegração agricultura pecuária
653 $aManagement
653 $aSustainability
653 $aSustentabilidade
700 1 $aMACEDO, M. C. M.
700 1 $aNAKAMURA, T.
700 1 $aYOSHIMURA, Y.
700 1 $aFUKUDA, E.
700 1 $aKANDA, K.
700 1 $aNAKANISHI, N.
700 1 $aSAITO, M.
700 1 $aANDO, Y.
773 $tIn: SUENAGA, K.; OSHIBE, A.; TANIGUHI, T. (Ed.). Development of sustainable agro-pastoral systems in the subtropical zone of Brazil. Tsukuba: JIRCAS, 2004.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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| Registros recuperados : 7 | |
| 4. |  | KANDA, K.; MIRANDA, C. H. B.; TAKAHASHI. M.; MACEDO, M. C. M. Nitrogen dynamics in agro-pastoral system of Brazil. In: SUENAGA, K.; OSHIBE, A.; TANIGUHI, T. (Ed.). Development of sustainable agro-pastoral systems in the subtropical zone of Brazil. Tsukuba: JIRCAS, 2004. p. 19-23. (JIRCAS. Working Report, 36). CNPGC. Proceedings of the Workshop on the results and prospects of comprehensive studies on the development of sustainable agro-pastoral systems in the subtropical zone of Brazil, 2003.| Biblioteca(s): Embrapa Gado de Corte. |
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| 6. | | MIRANDA, C. H. B.; MACEDO, M. C. M.; KANDA, K.; NAKAMURA, T. Soil organic residues accumulation in agro-pastoral systems in the cerrados of Brazil. In: SUENAGA, K.; OSHIBE, A.; TANIGUHI, T. (Ed.). Development of sustainable agro-pastoral systems in the subtropical zone of Brazil. Tsukuba: JIRCAS, 2004. p. 29-33. (JIRCAS. Working Report, 36). CNPGC. Proceedings of the Workshop on the results and prospects of comprehensive studies on the development of sustainable agro-pastoral systems in the subtropical zone of Brazil, 2003.| Biblioteca(s): Embrapa Gado de Corte. |
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| 7. | | KANNO, T.; MACEDO, M. C. M.; NAKAMURA, T.; YOSHIMURA, Y.; FUKUDA, E.; KANDA, K.; NAKANISHI, N.; SAITO, M.; ANDO, Y. Grassland management technology for sustainable agro-pastoral systems in the subtropical zone of Brazil. In: SUENAGA, K.; OSHIBE, A.; TANIGUHI, T. (Ed.). Development of sustainable agro-pastoral systems in the subtropical zone of Brazil. Tsukuba: JIRCAS, 2004. p. 5-13. (JIRCAS. Working Report, 36). CNPGC. Proceedings of the Workshop on the results and prospects of comprehensive studies on the development of sustainable agro-pastoral systems in the subtropical zone of Brazil, 2003.| Biblioteca(s): Embrapa Gado de Corte. |
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| Registros recuperados : 7 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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