Full TGIF Record # 112682
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/00103629809370012
    Last checked: 10/15/2015
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Publication Type:
i
Report
Author(s):O'Brien, Tara A.; Barker, Allen V.
Author Affiliation:Department of Plant and Soil Sciences, University of Massachusetts, Amherst, Massachusetts
Title:Acidification of lime-stabilized biosolids in formulation of synthetic topsoil
Source:Communications in Soil Science and Plant Analysis. Vol. 29, No. 9/10, May 1998, p. 1107-1114.
# of Pages:8
Publishing Information:New York, NY: Marcel Dekker
Keywords:TIC Keywords: Acidification; Sewage sludge; Topsoil; Alkalinity; Lime; Aluminum sulfate; Sulfur; Soil pH; Electrical conductivity; Calcareous sands
Abstract/Contents:"Uses of lime-stabilized biosolids in container media or topsoil formulations may be limited by alkalinity imparted by lime added for reductions in vector attraction and pathogens and for suppression of odors. This experiment was conducted to assess the suitability of quick lime-stabilized biosolids mixed with calcareous or noncalcareous sand and with sulfur or aluminum sulfate as acidifying agents for development of synthetic topsoil for turfgrass (Lolium perenne L.) production. Grass emergence and growth were inhibited in edia that were not amended with an acidifying agent. Additions of aluminum sulfate were more effective in acidification than sulfur, causing an immediate drop in pH, whereas additions of sulfur required about 2 months for a depression in media pH. With time, electrial conductivties were higher in media with additions of sulfur that in media with additions of aluminum sulfate. Calcareous sand mixed with biosolids (2 sand :1 biosolid, v:v) gave a better medium for growth of turfgrass than noncalcareous sand mixed with biosoilds. Calcareous sand flocculated biosolids, whereas noncalcareous sand dispersed them. Results suggest that calcareous sand and aluminum sulfate are effective agents for diluting and acidifying biosolids for development of a suitable topsoil medium for turfgrass production."
Language:English
References:6
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
O'Brien, T. A. 1998. Acidification of lime-stabilized biosolids in formulation of synthetic topsoil. Commun. Soil. Sci. Plant Anal. 29(9/10):p. 1107-1114.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/00103629809370012
    Last checked: 10/15/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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