Efeito do Fogo nas Características Químicas e Biológicas do Solo no Sistema Agroflorestal da Bracatinga

Danielle Janaina Westphalen Pomianoski; Renato Antonio Dedecek; Luciano Javier Montoya Vilcahuaman

Effects of Burning Harvesting Residues on Soil Chemical and Biological Characteristics Under Agroforestry System With Bracatinga

Authors

Danielle Janaina Westphalen Pomianoski Universidade Federal do Paraná
Renato Antonio Dedecek Embrapa Florestas
Luciano Javier Montoya Vilcahuaman Embrapa Florestas

Keywords:

Revegetation, site sustainability, C on microbe biomass, soil nutrients.

Abstract

The effect of burning residues was evaluated on soil chemical and biological characteristics under bracatinga (Mimosa scabrella Bentham) agroforestry system. This system uses to burn residues to assure revegetation of new harvest and to control weeds. Treatments tested were revegetation using fire and without fire and a test plot consisting of native forest. The period of sampling started on May 2002 until August 2003, and soil samplings for chemical and biological analyses were on different dates. Burning harvesting residues of bracatinga increases initially soil nutrient concentration, mainly P in 1 and 2 cm surface soil layers, and influenced the amount of C in the microbe biomass in the first year. Maintaining soil cover with bracatinga harvesting residues, without using fire, may control soil erosion and the nutrients will be slowly released, promoting site sustainability on this forest activity.

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POMIANOSKI, Danielle Janaina Westphalen; DEDECEK, Renato Antonio; MONTOYA VILCAHUAMAN, Luciano Javier. Effects of Burning Harvesting Residues on Soil Chemical and Biological Characteristics Under Agroforestry System With Bracatinga. Pesquisa Florestal Brasileira, [S. l.], n. 52, p. 93, 2011. Disponível em: https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/216. Acesso em: 11 may. 2024.

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No. 52 (2006): jan./jun.

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Effects of Burning Harvesting Residues on Soil Chemical and Biological Characteristics Under Agroforestry System With Bracatinga

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