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Sugar cane (Saccharum spp.) baled trash yield and energetic potential mapping

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  031102,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13731) @2003
Authors:   M. L. C. Ripoli, L. A. Balastreire, T. C. Ripoli
Keywords:   sugarcane, biomass, Precision Agriculture, baling, trash, yield mapping, energy

Currently the sugar cane fields are burned as a pre-harvest practice. If such practice is abandoned, the trash could be collected and used for vapor production for electric energy generation in the sugar mills and distilleries. The objective of this study was to map the remaining trash of the mechanically harvested raw sugar cane (not burned) as a result from bailing the material with two different balers (in cylindrical and prismatic bales), using Precision Agriculture concepts. This activity allowed to measure the sugar cane trash mass bailed, the moisture content and the energetic equivalent, in petroleum barrels. The studied area belongs to Costa Pinto Sugar Mill, in Piracicaba, So Paulo, Brazil (224030S, 473638W). Determinations were carried out with different bailing process that were made from three different raking process. The average results for mass and volume were 336.4kg with an 1.54m3 for prismatic bales and 452.9kg and 2.72m3 for cylindrical bales. Using the obtained maps it was observed that the sugar cane bailed trash yield on the area varied from 6.0 to 15.0Mg.ha-1, the moisture content varied from 14.68 up to 30.50% and the energetic equivalent was estimated from 6.33 up to 17.80 petroleum barrels per hectare, in non homogeneous distribution.

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