Page 79 - Tài liệu cây cảnh Bonsai4me Bonsai Basics
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After the old soil mass has been removed and the new root growth has been
disentangled, excess circling roots can be trimmed back with a sharp pair of
scissors or shears.
The amount of root that should be removed depends on a number of variables
including vigour of the tree, the density of the rootball and according to
individual tree species. However as a general guideline, aim to remove around
1/3 of the overall rootmass.
The remaining root system should be carefully examined for any root
