What is a non-chemical method for managing weeds?

Mulching is an effective non-chemical method for managing weeds because it creates a barrier between the soil and the weeds, significantly restricting their ability to access sunlight and nutrients necessary for growth. The layer of mulch can be organic, such as bark, leaves, or straw, or inorganic, like fabric or plastic. By smothering existing weeds and preventing new ones from germinating, mulching helps to maintain soil moisture, regulate soil temperature, and promote the health of desirable plants.

In contrast, using herbicides is a chemical method that directly targets weeds, while applying fertilizer does not target weed management specifically but rather promotes plant growth. Planting invasive species can actually exacerbate the problem by introducing more aggressive plants that outcompete native vegetation, leading to further weed issues. Thus, mulching stands out as an environmentally friendly and effective strategy for weed control.