WEED-CONTROLLING MULCHING COMPOSITION

摘要

It is intended to provide a mulching technique which is excellent in weatherability and waterproofness, exerts a high anti-erosion effect on inclined lands, is efficacious in inhibiting the growth of weeds in agricultural and non-agricultural lands and preventing outflow of soil and formation of muddy water accompanying rainfall and makes it possible to control soil temperature. A weed-controlling material which comprises as the main component a slurry having a chemical composition containing lightly baked magnesia and made up of form 3 to 30% by weight of nonstoichiometric magnesia cement and from 97 to 30% by weight of water.