| 摘要 |
A method for prevention of undertree weed infestation of gardens and vinery includes herbicide application on the undertree soil surface. On the undertree soil surface a water-permeable cover is made in the form of flexible mats of fiberglass, dornite, mineral cotton, building felt, synthetic fibers, low grade asbestos, among them in the form of hard cover of porous concrete, foamed plastics, expanded clay, and also in the form of loose layer of ground rock, blast-furnace slag, ash, fine gravel, coarse sand. |
