Girdling is the process of stripping bark from around the trunk of the tree after time,the tree died.

Girdling damages the phloem tissue which is meant for transporting the food material to the growing parts of the root & shoot system hence it is fatal for trees.

girdling experiment is done with the help of stem of any plant. Cut the phloem of the stem till it reaches the xylem now keep it for one day. You will notice the phloem been swollen.

Because only a sapling can grow.

Montague Burton has written:

'Globe girdling' -- subject(s): Voyages and travels