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Alternatives to slash-and-burn agriculture: a research approach for the development of a chop-and-mulch system. Repositório Alice
DENICH, M.; VIELHAUER, K.; SÁ, T. D. A.; LÜCKE, W.; VLEK, P. L. G..
The introduction of research-based innovations into traditional land-use systems is difficult, as examples from agroforestry have ShOWD.It can take years to decades until a new agricultural practice has been adopted by the farmers and often the innovations are not very well aligned with the problems and concems of the farmers. Therefore, in our search for altematives to the traditional slash-and-bum land preparation (in the context of the SHIFT project "Secondary forests and fallow vegetation in the agricultural landscape ofthe Eastern Amazon region") we opted for field experiments carried out on small-farmers' land in an old agricultural landscape of the Amazon region. To achieve our objective we follow a phased plan: (i) exploratory research (ii)...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Cultivo migratório; Uso da terra; Adoção de inovação; Pequeno produtor; Região Bragantina; Pará; Amazônia; Brasil.
Ano: 2001 URL: http://www.alice.cnptia.embrapa.br/handle/doc/404101
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Mechanized land preparation in forest-based fallow systems: the experience from eastern Amazonia. Repositório Alice
DENICH, M.; VIELHAUER, K.; KATO, M. do S. A.; BLOCK, A.; KATO, O. R.; SÁ, T. D. de A.; LÜCKE, W.; VLEK, P. L. G..
The slash-and-burn practice of land preparation that farmers use traditionally in forest-based fallow systems in the humid tropics causes land degradation and human health hazards. As an alternative to slash-and-burn, a mechanized, fire-free method of land preparation was evaluated on smallholdings in the eastern Amazon region. The use of machinery for harvesting fallow vegetation and chopping it for mulch eliminates the need for hard labor and fire for land clearing and increases labor productivity. Four different tractor-propelled choppers with power demand of 50 kW to 122 kW were tested. Their chopping capacity varied between 4.5 Mg and 20 Mg of fresh biomass per hour. The mechanized chop-and-mulch technology can be used in fallow vegetation that is up...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Vegetação secundária; Cultivo migratório; Biomassa; Equilíbrio nutritivo; Produtividade da terra; Produtividade do trabalho; Amazônia; Tipitamba.
Ano: 2004 URL: http://www.alice.cnptia.embrapa.br/handle/doc/408530
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