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Description: Increasing interest in renewable energy sources has been driving producers to investigate a wide range of crops for the biofuel industry. This study investigates the use of forage sorghum as a potential biofuel for direct combustion. A Canadian variety of forage sorghum (Sorghum bicolor subsp. drummondii) was planted in eastern Ontario to evaluate the effect of planting density and nitrogen fertilizer rates on the biomass production. The variety was CFSH 30 (single cut). The two planting densities were 12 and 18 kg/ha of seed, and fertilized with either 90 or 135 kg/ha of nitrogen. In total, there were 32 plots, allowing for 4 replications for each treatment. The crops were planted in the second week of June and harvested in the first week of August. Plant population was determined at the time of harvest. The harvested crop was weighed and samples dried to determine the moisture content. Dry biomass yields ranged from 1.6 to 4.8 t/ha, with an average of 3.1 t/ha. The average yields in plots seeded at 12 and 18 kg/ha were 2.9 and 3.4 t/ha, respectively. Fertilizer application rate had no effect on the crop yield, with the average yields for the 90 and 135 kg/ha of nitrogen application resulting in 3.1 and 3.2 t/ha, respectively.

Keywords: biofuel, direct combustion, sorghum, biomass
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Citation: T. Rennie and A. Tubeileh. 2013. The potential of forage sorghum as a direct combustion biofuel. CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
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Date: juil-11
Technical field: Renewable Energy
Conference name: CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
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Type: Text.Article
Format: PDF
Publication type: Conference Proceeding
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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