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Forestry Management Measures - Glossary | Polluted Runoff (Nonpoint Source Pollution) | US EPA01-13-2010
Disking (harrowing) : A mechanical method of scarifying the soil to reduce competing vegetation and to prepare a site to be ...
http://www.epa.gov/nps/MMGI/Chapter3/ch3-3.html (HTML)
III: Glossary01-13-2010
"Glossary of forestry management terms."
http://www.epa.gov/owow/NPS/MMGI/Chapter3/ch3-3.html (HTML)
Greenacres: Landscaping with Native Plants | Great Lakes | US EPA11-26-2008
Scarify by rubbing seeds against a wire screen or sandpaper. Moist stratification should follow scarification, but for a shorter time ...
http://www.epa.gov/greenacres/wildones/handbk/wo18.html (HTML)
Handling Wild Seed11-26-2008
"Germination rates of prairie species can vary greatly."
http://www.epa.gov/greatlakes/greenacres/wildones/handbk/wo18.html (HTML)
EPA 625/R-00/008 Chapter 4: Treatment processes and systems04-14-2008
Scarifying the surface with the teeth of a backhoe bucket is ... the SWIS medium is installed, any smeared areas should be scarified and the surface gently raked.
http://www.epa.gov/nrmrl/pubs/625r00008/html/625R00008chap4.htm (HTML)
Notice of Deletion of the Marathon Battery Company Site from the National Priorities List11-02-2007
"Federal Register notice of October 18, 1996 regarding changes to the NPL."
http://www.epa.gov/superfund/sites/npl/d961018.htm (HTML)
Great Lakes Ecosystem - Bridge of Seeds: Part 103-09-2006
Seeds with hard seed coats must be scarified (scratched, cracked or softened) to initiate germination. Too little scarification and the ...
http://www.epa.gov/greatlakes/ecopage/landscape/seeds/part1.html (HTML)
Great Lakes Ecosystem - Bridge of Seeds: Part 103-09-2006
Seeds with hard seed coats must be scarified (scratched, cracked or softened) to initiate germination. Too little scarification and the ...
http://www.epa.gov/ecopage/landscape/seeds/part1.html (HTML)
2002 Annual Report | Role of PM-Associated Transition Metals in Exacerbating Infectious Pneumoniae in Exposed Rats11-05-2003
... bacterial burdens in Fe-exposed animals were increased 10,000-fold (compared to those rats scarified immediately prior to exposure.
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
2000 Annual Report | Role of PM-Associated Transition Metals in Exacerbating Infectious Pneumoniae in Exposed Rats06-24-2003
... bacterial burdens in Fe-exposed animals were increased 10,000-fold (compared to those rats scarified immediately prior to exposure.
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

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