Effect of sawmill residue application on forest soil biological quality.
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Pinus wood production generates a large amount of residues that can be an alternative fertilizer in the production of forest tree seedlings or use in forest re-planting, allowing the return of some nutrients extracted in tree harvesting. This cycling is only possible through the activity of soil organisms, especially the mesofauna. As part of a project aiming to find solutions to the problems of forestry residues, soil mesofauna were evaluated in areas with application ofdifferent pine residues (sawmill waste). The work was carried outin Guarapuava, PR at the property of Manasa S/A Forestry, in partnership with Embrapa Forests. Treatments included the application of sawmill residues of Pinus in the raw, intermediately and well decomposed stages, at rates of0, 20, 40 and 80 ton/ha, in plantations of Pinus taeda of 8, 20 and 56 months of age. Samples were taken from June 2004 to July 2005. T
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Biologia, Resíduo, Solo, Pinus