Placement of emitters should avoid direct contact with which part of the plant?

• A. The trunk of the plant only
• B. The trunk or the stem of the plant
• C. The bare roots of the plant
• D. The stem of the plant only

Answer: (B)

Embracing the idea that water should reach the roots, not the woody parts, is the key. Watering directly onto the trunk or stem keeps bark constantly wet, which can lead to decay, fungal infections, and other moisture-related problems. The trunk and stems aren’t where the plant takes up most water, so wetting them doesn’t help root development and can cause damage over time. The goal is to place emitters at the base and around the root zone so the roots get irrigated while the trunk and stems stay dry. This is why the correct approach is to avoid direct contact with the trunk or stem.