RIAA
Vol. 2 No. 2 (2011)
Published 2011-10-07
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Artículos de Investigación

Alternatives for composting Caribbean Pine sawdust (Pinus caribaea) in the wood industry Refocosta S. A., in the municipality of Villanueva, Casanare, Colombia

DOI: https://doi.org/10.22490/21456453.916
Mónica Bibiana Sarmiento Oviedo Universidad Nacional del Centro del Perú
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Given the day-to-day accumulation of sawdust, a byproduct of the milling process of the Pinus caribaea species in the Wood industry of Refocosta, a composting process was tested in three treatments with different nitrogen sources (urea, industrial palm oil sludge, cattle dung) and it was compared with composted pine bark and sawdust exposed to the weather. To assess possible inhibition of the substrates, the fresh biomass and germination of Zea maize and Acacia mangium was measured. Seedlings of Pinus caribaea, eucalyptus Pellita and Acacia Mangium were transplanted, and two months later the stem length, strength and survival were assessed. There were differences between maize and Acacia mangium and a lower germination and biomass in the substrates, sawdust and bark exposed to the weather and without composting were observed. The vigor and stem length were significantly better in composted bark, substrate which is currently used in the vivarium of Refocosta to produce seedlings; the sawdust-based substrates showed marked deficits (red colors, necrosis and stunting).

keywords: Sawdust compost, Pinus caribaea composted bark, composting, nitrogen sources.
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How to Cite

Sarmiento Oviedo, M. B. (2011). Alternatives for composting Caribbean Pine sawdust (Pinus caribaea) in the wood industry Refocosta S. A., in the municipality of Villanueva, Casanare, Colombia. Revista De Investigación Agraria Y Ambiental, 2(2), 21-32. https://doi.org/10.22490/21456453.916
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