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| 64. |  | SOMAVILLA, N.; MACEDO, M. Uso medicinal de plantas para afeccoes do sistema genital feminino, gravidez, parto e puerperio na comunidade de Alto Coite, municipio de Poxoreo, Mato Grosso. In: CONGRESSO NACIONAL DE BOTANICA, 51., Brasilia, DF. Resumos. Brasilia: Sociedade Botanica do Brasil, 2000. p. 206.| Biblioteca(s): Embrapa Cerrados. |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
19/08/2003 |
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Data da última atualização: |
27/04/2020 |
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Autoria: |
KANDA, K.; MIRANDA, C. H. B.; MACEDO, M. C. M. |
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Afiliação: |
National Institute for Agro-Environmental Sciences (Tsukuba, Japan).; CESAR HERACLIDES BEHLING MIRANDA, CNPAE; MANUEL CLAUDIO MOTTA MACEDO, CNPGC. |
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Título: |
Carbon an nitrogen mineralization in solis under agro-pastoral systems in subtropical Central Brazil. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Soil Science and Plant Nutrition, Tokyo, v. 48, n. 2, p. 174-184, 2002. |
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Idioma: |
Inglês |
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Notas: |
CNPGC. |
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Conteúdo: |
Agro-pastoral systems that combine soybean and grrasses in crop rotation have been recommended to sustain grassland productivity in the subtropical soils of Central Brazil (Cerrados forest area) with a low-fertility. In 1999, soil samples were taken during a field experiment on agro-pastoral system initiated in a Purple Red Latosol in Campo Grande, MS, Brazil, from 1) field with continuos soybean cropping; 2) a field with soybean cultivation after 4 years of use as a grassland (rotational soybean); 3) continuous grassland; 4) grassland planted after 4 years of soybean cultivation (rotational grassland), 5) degraded grassland; and 6) original Cerrados forest. Total carbon (C) and nitrogen (N) contents and mineralization potentials were determined. The results indicated that replacement of the Cerrados forest by a pure grassland and exploitation without propor cattle management and fertilizer application led to a descrease in both total C and N contents. Continuous cultivation of soybean on such a degraded grassland area induced area induced a further decrease, which could be alleviated by rotation with a grassland. On the other hand, soil C and N mineralization potentials were not appreciably affected, indicating that grassland degradation did not affect these parameters. C and N mineralization showed a seasonal pattern, being higher in the rainy season (November) than in the dry season (April). Overall, it can be concluded that a grass-soybean rotation (agro-pastoral system) may benefit agricultural exploitation in the Brazilian Cerrados area, as both complement each other in maintaining a suitable soil C balance.. MenosAgro-pastoral systems that combine soybean and grrasses in crop rotation have been recommended to sustain grassland productivity in the subtropical soils of Central Brazil (Cerrados forest area) with a low-fertility. In 1999, soil samples were taken during a field experiment on agro-pastoral system initiated in a Purple Red Latosol in Campo Grande, MS, Brazil, from 1) field with continuos soybean cropping; 2) a field with soybean cultivation after 4 years of use as a grassland (rotational soybean); 3) continuous grassland; 4) grassland planted after 4 years of soybean cultivation (rotational grassland), 5) degraded grassland; and 6) original Cerrados forest. Total carbon (C) and nitrogen (N) contents and mineralization potentials were determined. The results indicated that replacement of the Cerrados forest by a pure grassland and exploitation without propor cattle management and fertilizer application led to a descrease in both total C and N contents. Continuous cultivation of soybean on such a degraded grassland area induced area induced a further decrease, which could be alleviated by rotation with a grassland. On the other hand, soil C and N mineralization potentials were not appreciably affected, indicating that grassland degradation did not affect these parameters. C and N mineralization showed a seasonal pattern, being higher in the rainy season (November) than in the dry season (April). Overall, it can be concluded that a grass-soybean rotation (agro-pastoral syste... Mostrar Tudo |
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Palavras-Chave: |
Agropastoral systems; Brasil Central; Brazilian savannas; Central of Brazil; Integracao agricultura-pecuaria; Soils. |
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Thesagro: |
Carbono; Cerrado; Fertilizante Nitrogenado; Solo. |
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Thesaurus NAL: |
carbon; nitrogen fertilizers. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02503naa a2200301 a 4500
001 1325367
005 2020-04-27
008 2002 bl --- 0-- u #d
100 1 $aKANDA, K.
245 $aCarbon an nitrogen mineralization in solis under agro-pastoral systems in subtropical Central Brazil.
260 $c2002
500 $aCNPGC.
520 $aAgro-pastoral systems that combine soybean and grrasses in crop rotation have been recommended to sustain grassland productivity in the subtropical soils of Central Brazil (Cerrados forest area) with a low-fertility. In 1999, soil samples were taken during a field experiment on agro-pastoral system initiated in a Purple Red Latosol in Campo Grande, MS, Brazil, from 1) field with continuos soybean cropping; 2) a field with soybean cultivation after 4 years of use as a grassland (rotational soybean); 3) continuous grassland; 4) grassland planted after 4 years of soybean cultivation (rotational grassland), 5) degraded grassland; and 6) original Cerrados forest. Total carbon (C) and nitrogen (N) contents and mineralization potentials were determined. The results indicated that replacement of the Cerrados forest by a pure grassland and exploitation without propor cattle management and fertilizer application led to a descrease in both total C and N contents. Continuous cultivation of soybean on such a degraded grassland area induced area induced a further decrease, which could be alleviated by rotation with a grassland. On the other hand, soil C and N mineralization potentials were not appreciably affected, indicating that grassland degradation did not affect these parameters. C and N mineralization showed a seasonal pattern, being higher in the rainy season (November) than in the dry season (April). Overall, it can be concluded that a grass-soybean rotation (agro-pastoral system) may benefit agricultural exploitation in the Brazilian Cerrados area, as both complement each other in maintaining a suitable soil C balance..
650 $acarbon
650 $anitrogen fertilizers
650 $aCarbono
650 $aCerrado
650 $aFertilizante Nitrogenado
650 $aSolo
653 $aAgropastoral systems
653 $aBrasil Central
653 $aBrazilian savannas
653 $aCentral of Brazil
653 $aIntegracao agricultura-pecuaria
653 $aSoils
700 1 $aMIRANDA, C. H. B.
700 1 $aMACEDO, M. C. M.
773 $tSoil Science and Plant Nutrition, Tokyo$gv. 48, n. 2, p. 174-184, 2002.
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