Assessing activity access of forage or biomass
2008
Buckmaster, D.R.
Electrolytic ion leakage is proposed as a method to assess activity access for subsequent biological or chemical processing of forage or biomass. Smaller particle sizes and subsequent processing, which increased surface area, resulted in higher leachate ion conductivity measures. Use of ion conductivity readings to compare harvest or processing treatments requires some normalization because of potentially different chemical composition among samples. Using an abrasive cyclone mill to process a sample for use in determining a normalizing index (which is a ratio of access, relative to ultimate) yielded more consistency among whole-plant corn silage samples than blending. Longitudinal shredding of whole-plant corn silage resulted in higher activity access (as indicated by conductivity index) than precision-cut chopping or chopping plus mechanical roll processing. Shredding at harvest time seems to reduce the need for post-storage processing.
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