Ace the Certified Arborist 2024 Exam – Branch Out to Success!

When soil is compacted, the pore space between soil particles is decreased, not increased. Compaction occurs due to pressure applied to the soil, which pushes soil particles closer together. This process reduces the spaces, or pores, between them where air and water would typically flow. This decrease in pore space can lead to negative effects on plant growth since it limits the availability of oxygen and water to roots, as well as reducing overall soil porosity and permeability. Therefore, the assertion that compacted soil increases pore space is incorrect, making the correct response "False."