When treating very large trees under high pest pressure ... Under “Resources” select “Insecticide Options for Protecting Ash Trees from Emerald Ash Borer.” Source: Jeffrey Hahn ...
The Denver Office of the City Forester is looking for people to sign up for its free tree-planting program called Be a Smart ...
The National Trust, who own and manage large areas of ash woodland in England and Wales, estimate that 75-95% of native ash trees will be lost to ash dieback in the next 15 years, based on experience ...
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