Archive for September, 2011

The International Dendrology Society recently published a fascinating article on amazing tree recovery after vertical mulching and fertilizing using the pneumatic method.

This tree would have otherwise died without the intervention of a pneumatic tool to break up, or decompact, the soil, along with vertical mulching and fertilizing.

“The results are convincing us that this is the way forward with many trees that appeared to be in a mortality spiral and well beyond making enormous progress and showing signs of improved growth and vigor.  A 150 year old deodar cedar cedrus deodara behind the Rose Garden infected with honey fungus and holding less than 10% of foliage was one of the first trees decompacted in 1998.  Today this tree still survives with a crown density of approximately 60% and increasing every year.  There is no doubt that this tree would almost certainly have died within two or three years had we not intervened.”

Note that the pneumatic method that they use in the U.K. at Kew, is very similar to what we use at Back Tree Service.  The difference is that the filler and fertilizer are matched to local soil conditions.

Located in the United Kingdom near London, Kew Gardens is one of the most prestigious gardens in the world.  It’s official name is The Royal Botanic Gardens, Kew and it was created in 1759.  The Director of the Royal Botanic Gardens, Kew is responsible for the world’s largest collection of living plants. The organisation employs more than 650 scientists and other staff. The living collections include more than 30,000 different kinds of plants, while the herbarium, which is one of the largest in the world, has over seven million preserved plant specimens. The library contains more than 750,000 volumes, and the illustrations collection contains more than 175,000 prints and drawings of plants.  Source Wikipedia.

You can read the full article by clicking on the following link.

The decompaction programme on trees at Kew

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