ISA Certified Arborist Practice Exam 2025 – All-in-One Resource for Comprehensive Exam Success!

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What method involves pre-digging to create a denser root system?

Field Capacity

Buffering Capacity

Root Pruning

Root pruning involves cutting or trimming specific roots to encourage the development of a denser root system. By selectively removing certain roots, the plant is stimulated to produce new feeder roots in the pruned area, resulting in a more concentrated and efficient root system. This technique is often used to manage root growth, improve tree stability, and promote overall tree health.

Regarding the other options:

- Field Capacity refers to the amount of water soil can hold against gravity, which is unrelated to root pruning.

- Buffering Capacity is the ability of soil to resist changes in its pH level, which is also not related to root pruning.

- Macropores are large soil pores that allow for the movement of air and water within the soil, but they are not associated with the process of root pruning.

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Macropores

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