What does the process of dethatching entail?

Dethatching is a vital lawn care process that specifically focuses on reducing or removing thatch, which is a layer of tightly intermingled dead and living grass stems, roots, and organic matter that can accumulate on the soil surface. When thatch builds up excessively, it can hinder water and nutrient absorption, restrict airflow, and create favorable conditions for pests and diseases.

In this context, the correct answer highlights the core objective of dethatching, which is to manage thatch levels. By effectively reducing or removing thatch, the lawn's health can be improved, leading to a more robust and vibrant turf. This practice allows for better water penetration and nutrient accessibility, essential for fostering growth.

Other choices mention related lawn care practices but do not define dethatching accurately. Fertilization promotes growth but does not directly relate to managing thatch. The removal of dead grass can be part of dethatching but is not the primary focus since dethatching specifically targets the thatch layer rather than just dead grass. Aeration is a different process aimed at enhancing soil conditions, making it less relevant to the definition of dethatching.