"Weed suppression" refers to the act or process of preventing or reducing the growth and spread of weeds, which are unwanted plants that compete with desired plants for resources like sunlight, water, and nutrients. Full definition
This is the application of material for weed suppression, moisture retention or to improve organic matter content. (idealhome.co.uk)
Over the next four years, Rodale Institute will conduct a research project on Industrial Hemp through two field trials, a Variety Trial and Weed Suppression Trial, and one greenhouse study. (rodaleinstitute.org)
«The question was: Can we find a cover crop management system that provides some amount of weed suppression without causing a problem for the crop? (sciencedaily.com)