Full TGIF Record # 62993
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/1065657X.1999.10701980
    Last checked: 10/01/2015
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Publication Type:
i
Refereed
Author(s):Schaub-Szabo, S. M.; Leonard, J. J.
Author Affiliation:Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
Title:Characterizing the bulk density of compost
Section:Research
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Source:Compost Science & Utilization. Vol. 7, No. 4, Autumn 1999, p. 15-24.
# of Pages:10
Publishing Information:Emmaus, PA: JG Press
Keywords:TIC Keywords: Bulk density; Composts; Measurement; Methodology; Wood shavings; Straw; Peat; Moisture; Organic matter; Particle size; Mathematical equations; Analysis
Abstract/Contents:"The bulk density of compressible materials depends on the compressive load to which they are subjected. This results in bulk density variation within piles of such materials. However, it is difficult to measure bulk density in situ without disturbing the sample or changing the load on it. A laboratory method was developed to simulate the variation of density with depth of material. The method was used with compost, wood shavings, straw and peat and simulated material depths of up to 3.5 meters. The variation of bulk density with depth was shown to follow a power function relationship where the exponent provided an indication of the compressibility of a material. Effective density is proposed as a useful single descriptor of bulk density. Both effective density and material compressibility were shown to be influenced by the size of container used to obtain measurements. A medium sized container (400-mm diameter and 380-mm fill height) provided a good compromise between accuracy and practicality."
Language:English
References:13
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See Also:Other items relating to: COMEVA
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Schaub-Szabo, S. M., and J. J. Leonard. 1999. Characterizing the bulk density of compost. Compost Sci. Util. 7(4):p. 15-24.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/1065657X.1999.10701980
    Last checked: 10/01/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: TD 796.5 .C584
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