Birch Tree Sprouts Along Root System

Question

We have numerous sprouts along the lateral root system of our White Birch trees. When we dig them out, we pull out long pieces of lateral surface root with several sprouts on them. We would like to know of a less labor intensive method of removing the sprouts.

Answer 1

This may help:
https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-sucker-removal-and-tree-sucker-control.htm