| 摘要 |
In the present invention, a filament fabric of a polypropylene resin ingredient having a thickness of 2-3 denier and mixed with illite is made to naturally fall to be uniformly distributed in multiple layers and thermo-compressed through a pair of embossing press rollers, so that double-faced embossing units (10) are formed to face each other and a black spunbond non-woven fabric (1) having a weight of 55-65 g/m^2 is formed. A tangled unit (20) formed by means of multiple loop-type filament yarns tangled to protrude on top and bottom surfaces is formed in a space where the embossing units (10) are not formed. The non-woven fabric (1) is covered on soil, and a tangled thickness (t) when the loop-type filament yarns on the bottom surface of the tangled unit (20) are pressed is 0.65-0.95 mm, so that crops are grown. By covering the non-woven fabric, the growth of crops can be promoted even in a wet environment (a place where a rainy season is prolonged or soil has much moisture), and the germination of weed seeds can be controlled. By the action of illite, several sorts of heavy metals are adsorbed and decomposed, so that soil contamination is prevented and water is purified and activated. Accordingly, the contamination of surface water and underground water is prevented, and environment destruction is prevented. |
