Weed control is the botanical component of pest control , using physical and chemical methods to stop weeds from reaching a mature stage of growth when they could be harmful to plants and livestock. In order to reduce weed growth, many “weed control” strategies have been developed in order to contain the growth and spread of weeds. The most basic is plugging which cuts the roots of annual weeds. Also chemical weed killers known as herbicides are widely used.

Weeds are costly in terms of time, manpower and replacement or repairs of equipment. Manual labour is not only expensive but also poses security risks especially in a residential environment. Mechanical or manual weeding provides, at best, temporary or partial relief as most weeds are extremely stubborn and grow back very fast.