| |
|
|
| Registros recuperados : 99 | |
| 41. |  | KATO, O. R.; KATO, M. do S.; VIELHAUER, K.; VLEK, P. L. G. Management of soil organic matter in small-scale farmers cropping systems: possibilities and limitations. In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS - ARCHIEVEMENTS AND PROSPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Proceedings. Geesthacht: GKSS, 2002. p. 184. Editado por Reinhard Lieberei, Helmut Bianchi, Vera Boehm, Christoph Reisdorff. Publicado também em GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS: ARCHIEMENTS AND PROPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Program and...| Biblioteca(s): Embrapa Amazônia Oriental. |
|    |
| 42. | | BRIENZA JUNIOR, S.; DENICH, M.; FOLSTER, H.; VLEK, P. L. G. Litterfall and litter in enriched fallow with fast growing trees in the eastern Amazon of Brazil. In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS - ARCHIEVEMENTS AND PROSPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Proceedings. Geesthacht: GKSS, 2002. 1 CD-ROM. Editado por Reinhard Lieberei, Helmut Bianchi, Vera Boehm, Christoph Reisdorff.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 43. | | BRIENZA JUNIOR, S.; DENICH, M.; FOLSTER, H.; VLEK, P. L. G. Litterfall and litter in eriched fallow vegetation with fast growing trees in the eartern amazon of Brazil. In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS - ARCHIEVEMENTS AND PROSPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Proceedings. Geesthacht: GKSS, 2002. p. 336-337. Editado por Reinhard Lieberei, Helmut Bianchi, Vera Boehm, Christoph Reisdorff. Anexo 1 CD-ROM nº 0084, completo. Publicado também em GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS: ARCHIEMENTS AND PROPECTS OF COOPERATIVE RESEARCH,...| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 45. | | BRIENZA JUNIOR, S.; DENICH, M.; FOLSTER, H.; VLEK, P. L. G. Enriching fallow vegetation in the eastern amazon of Brazil towards improving land-use. In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS - ARCHIEVEMENTS AND PROSPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Proceedings. Geesthacht: GKSS, 2002. p. 683-686. Editado por Reinhard Lieberei, Helmut Bianchi, Vera Boehm, Christoph Reisdorff.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 46. | | BRIENZA JUNIOR, S.; DENICH, M.; FOLSTER, H.; VLEK, P. L. G. Enriching fallow vegetation in the eastern Amazon of Brazil: towards improving land-use. In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS - ARCHIEVEMENTS AND PROSPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Proceedings. Geesthacht: GKSS, 2002. p. 185. Editado por Reinhard Lieberei, Helmut Bianchi, Vera Boehm, Christoph Reisdorff.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 49. | | DENICH, M.; VLEK, P. L. G.; SA, T. D. de A.; VIELHAUER, K.; LÜCKE, W. A concept for the development of fire-free fallow management in the Eastern Amazon, Brazil. Agriculture, Ecosystems and Environment, v. 110, n. 1-2, p. 43-58, Oct. 2005.| Biblioteca(s): Embrapa Amazônia Oriental. |
|  |
| 50. | | SOMMER, R.; SÁ, T. D. de A.; VIELHAUER, K.; VLEK, P. L. G.; FOLSTER, H. Deep rooting secondary vegetation - an indispensable component of shifting cultivation? In: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS - ARCHIEVEMENTS AND PROSPECTS OF COOPERATIVE RESEARCH, 2000, Hamburg. Proceedings. Geesthacht: GKSS, 2002. p. 212. Editado por Reinhard Lieberei, Helmut Bianchi, Vera Boehm, Christoph Reisdorff.| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| 54. | | DIEKMANN, U.; KATO, M. S. A.; DENICH, M.; VLEK, P. L. G. Cycling behavior of soil quality in rotational land use systems of the Northeast of Para state, Brazil. In: LIEBEREI, R.; BIANCHI, H.; VOB, K., ed. Proceedings of the third SHIFT-Workshop, Manaus march 15-19, 1998. Bonn: Bundesministerium fur Bildung und Forschung, 1998. p.141-144.| Biblioteca(s): Embrapa Florestas. |
| |
| 58. | | KATO, O. R.; KATO, M. S. A.; PARRY, M. M.; DENICH, M.; VLEK, P. L. G. Fire-free alternatives to slash-burn for shifting cultivation in the Eastern Amazon region: the role of fertilizers. In: LIEBEREI, R.; BIANCHI, H.; VOB, K., ed. Proceedings of the third SHIFT-Workshop, Manaus march 15-19, 1998. Bonn: Bundesministerium fur Bildung und Forschung, 1998. p.151-155.| Biblioteca(s): Embrapa Florestas. |
| |
| 59. | | KATO, O. R.; KATO, M. S. A.; PARRY, M. M.; DENICH, M.; VLEK, P. L. G. Fire-free alternatives to slash and burn for shifting cultivation of the Eastern Amazon: selection of adapted cultivars. In: LIEBEREI, R.; BIANCHI, H.; VOB, K., ed. Proceedings of the third SHIFT-Workshop, Manaus march 15-19, 1998. Bonn: Bundesministerium fur Bildung und Forschung, 1998. p.125-129.| Biblioteca(s): Embrapa Florestas. |
| |
| Registros recuperados : 99 | |
|
|
|
Registro Completo
|
Biblioteca(s): |
Embrapa Amazônia Oriental. |
|
Data corrente: |
15/09/2003 |
|
Data da última atualização: |
13/05/2024 |
|
Tipo da produção científica: |
Artigo em Anais de Congresso |
|
Autoria: |
VIELHAUER, K.; DENICH, M.; SÁ, T. D. de A.; KATO, O. R.; KATO, M. do S. A.; BRIENZA JUNIOR, S.; VLEK, P. L. G. |
|
Afiliação: |
KONRAD VIELHAUER, UNIVERSITY OF BONN; MANFRED DENICH, UNIVERSITY OF BONN; TATIANA DEANE DE ABREU SA, CPATU; OSVALDO RYOHEI KATO, CPATU; MARIA DO SOCORRO ANDRADE KATO, CPATU; SILVIO BRIENZA JUNIOR, CPATU; PAUL L. G. VLEK, UNIVERSITY OF BONN. |
|
Título: |
Land-use in a mulch-based farming system of small holders in the eastern Amazon. |
|
Ano de publicação: |
2001 |
|
Fonte/Imprenta: |
In: CONFERENCE ON INTERNATIONAL AGRICULTURAL RESEARCH FOR DEVELOPMENT, 2001, Bonn. Deustscher tropentag 2001: proceeding. Bonn: University of Bonn, 2001. |
|
Páginas: |
Não paginado. |
|
Idioma: |
Inglês |
|
Conteúdo: |
Burning is a commonly used method to clear land for cropping, especially in regions with shifting cultivation. Due to population growth with the resulting intensified land use, it is mostly combined with a shortening of the fallow periods. Both burning and the shortened fallow period are the principal causes of declining soil fertility, and they are symptomatic for Eastern Amazonian agriculture. Based on the assumption that shifting cultivation will be maintained as the basic land-use system, these two adverse factors have to be improved in order to achieve reasonable and increased sustainable productivity. In the framework of a bilateral German-Brazilian research project, mechanized mulching technologies were developed to carry out fire-free land clearing by cutting and chopping the tree-rich fallow vegetation creating a mulch layer. Besides preserving organic matter and mineral nutrients, mulching permits land preparation at any time of the year, as, in contrast to burning, it does not depend on the dry season. Enriching the fallow vegetation with fast growing trees enhances the effect of mulching by increasing biomass: 25 t/ha/year as compared to natural fallow with 10 t/ha/year during the linear growth phase in the first 2 - 3 years. When putting these technologies into practice, the demand on differently behaving nutrient stocks in mulch-based systems has to be met. On the other hand, fire-free land preparation allows for flexible, alternative land utilization practices. Both factors lead to new crop-fallow scenarios where land use is intensified whilst the basic principles of shifting cultivation are maintained. In particular: 1) fallow biomass increase by enrichment reduces the fallow period from 4 - 6 years to 2 years, 2) slow nutrient release from the mulch layer allows highly demanding crops to be planted at the end of the cropping period low mineral fertilizer input is desired, 3) an additional cropping period becomes possible and reduces the land preparation time by half, 4) independent of the dry season crops can be planted taking climate and market demands into consideration, and 5) perennial cash crops can be integrated into the crop rotation. MenosBurning is a commonly used method to clear land for cropping, especially in regions with shifting cultivation. Due to population growth with the resulting intensified land use, it is mostly combined with a shortening of the fallow periods. Both burning and the shortened fallow period are the principal causes of declining soil fertility, and they are symptomatic for Eastern Amazonian agriculture. Based on the assumption that shifting cultivation will be maintained as the basic land-use system, these two adverse factors have to be improved in order to achieve reasonable and increased sustainable productivity. In the framework of a bilateral German-Brazilian research project, mechanized mulching technologies were developed to carry out fire-free land clearing by cutting and chopping the tree-rich fallow vegetation creating a mulch layer. Besides preserving organic matter and mineral nutrients, mulching permits land preparation at any time of the year, as, in contrast to burning, it does not depend on the dry season. Enriching the fallow vegetation with fast growing trees enhances the effect of mulching by increasing biomass: 25 t/ha/year as compared to natural fallow with 10 t/ha/year during the linear growth phase in the first 2 - 3 years. When putting these technologies into practice, the demand on differently behaving nutrient stocks in mulch-based systems has to be met. On the other hand, fire-free land preparation allows for flexible, alternative land utilization practices... Mostrar Tudo |
|
Palavras-Chave: |
Brasil; Pará; Região Bragantina; Tipitamba. |
|
Thesagro: |
Cultivo Migratório; Pequeno Produtor; Sistema de Cultivo; Uso da Terra. |
|
Thesaurus NAL: |
Amazonia. |
|
Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/55838/1/LandUseMulch-resumo.pdf
|
|
Marc: |
LEADER 03137nam a2200301 a 4500
001 1404102
005 2024-05-13
008 2001 bl uuuu u00u1 u #d
100 1 $aVIELHAUER, K.
245 $aLand-use in a mulch-based farming system of small holders in the eastern Amazon.$h[electronic resource]
260 $aIn: CONFERENCE ON INTERNATIONAL AGRICULTURAL RESEARCH FOR DEVELOPMENT, 2001, Bonn. Deustscher tropentag 2001: proceeding. Bonn: University of Bonn$c2001
300 $aNão paginado.
520 $aBurning is a commonly used method to clear land for cropping, especially in regions with shifting cultivation. Due to population growth with the resulting intensified land use, it is mostly combined with a shortening of the fallow periods. Both burning and the shortened fallow period are the principal causes of declining soil fertility, and they are symptomatic for Eastern Amazonian agriculture. Based on the assumption that shifting cultivation will be maintained as the basic land-use system, these two adverse factors have to be improved in order to achieve reasonable and increased sustainable productivity. In the framework of a bilateral German-Brazilian research project, mechanized mulching technologies were developed to carry out fire-free land clearing by cutting and chopping the tree-rich fallow vegetation creating a mulch layer. Besides preserving organic matter and mineral nutrients, mulching permits land preparation at any time of the year, as, in contrast to burning, it does not depend on the dry season. Enriching the fallow vegetation with fast growing trees enhances the effect of mulching by increasing biomass: 25 t/ha/year as compared to natural fallow with 10 t/ha/year during the linear growth phase in the first 2 - 3 years. When putting these technologies into practice, the demand on differently behaving nutrient stocks in mulch-based systems has to be met. On the other hand, fire-free land preparation allows for flexible, alternative land utilization practices. Both factors lead to new crop-fallow scenarios where land use is intensified whilst the basic principles of shifting cultivation are maintained. In particular: 1) fallow biomass increase by enrichment reduces the fallow period from 4 - 6 years to 2 years, 2) slow nutrient release from the mulch layer allows highly demanding crops to be planted at the end of the cropping period low mineral fertilizer input is desired, 3) an additional cropping period becomes possible and reduces the land preparation time by half, 4) independent of the dry season crops can be planted taking climate and market demands into consideration, and 5) perennial cash crops can be integrated into the crop rotation.
650 $aAmazonia
650 $aCultivo Migratório
650 $aPequeno Produtor
650 $aSistema de Cultivo
650 $aUso da Terra
653 $aBrasil
653 $aPará
653 $aRegião Bragantina
653 $aTipitamba
700 1 $aDENICH, M.
700 1 $aSÁ, T. D. de A.
700 1 $aKATO, O. R.
700 1 $aKATO, M. do S. A.
700 1 $aBRIENZA JUNIOR, S.
700 1 $aVLEK, P. L. G.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Amazônia Oriental (CPATU) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
