Sampling Trailers for Estimating Moisture Content and Nutrient Concentrations for Hardwood Chips
Removals of biomass and nutrients from timber harvesting have been estimated by sampling trailers of whole-tree chips. The potential effects of chip stratification on estimates of chip moisture content and nutrient concentrations were examined using a three-dimensional sampling scheme. Moisture content and nutrient concentrations were significantly affected by the physical location of sampling plane (the sloping wall of chips) in filling trailers. Moisture content and nutrient concentrations were independent of horizontal and vertical position. When sampling filling trailers for estimation of chip moisture content and nutrient concentrations, effort should be directed toward sampling a greater number of planes, rather than withdrawing a large number of samples from one or two planes. North. J. Appl. For. 3:156-158, Dec. 1986.
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Document Type: Journal Article
Affiliations: USFS Northeastern Forest Experiment Station, Bington, VT 05402
Publication date: 1986-12-01
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