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HARVEST AND STORAGE OF WET AND DRY CORN STOVER AS A BIOMASS FEEDSTOCK

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

Citation:  Paper number  036088,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.15403)
Authors:   Kevin J. Shinners, Ben N. Binversie, Philippe Savoie
Keywords:   Biomass, corn stover, harvesting, silage, storage

When corn grain moisture was in the typical harvest range of 30 and 20%, the ratio of stover dry mass to whole-plant dry mass averaged 43%. The moisture in the stalk remained over 65% until grain harvest. The ratio of mass of stover harvested to total stover DM yield, averaged about 53, 56 and 33% for chopping, wet baling and dry baling, respectively. Harvesting wet stover as chopped material and ensiling in a silo bag was successful with DM matter loss at 10.9% after seven months storage. Harvesting wet stover by baling and tube wrapping was also successful with DM loss of 3.6%. Dry stover bales stored indoors and outdoors had average DM losses of 5 and 15%, respectively. Wrapping dry bales in net wrap and storing on a well drained surface significantly reduced DM loss compared to storing twine wrapped dry bales on the ground.

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