Change in national emissions of ozone precursors since 1990 compared with 2010 targets
: 12 Nov 2009
: 01 Jan 2002
: 29 Nov 2012, 11:42 AM
The targets for 2010 are the Gothenburg Protocol target (December 1999) and the more recent NECD Common Position targets (June 2000) for the EU and individual countries for non-methane volatile organic compounds and nitrogen oxides individually
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It will keep weeds away; protect the plants by keeping the soil cool; decrease evaporation and reduce soil compaction. Be creative and use materials like: pebbles, bark chippings, gravel, cocoa shells, decorative pine cones, marbles, broken crockery, grass clippings or leaf mould. But avoid mulching too close to the stems to avoid the plant rotting in winter.
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