| 摘要 |
Multifunctional mulching paper for agricultural use, using recycled paper, liner paper, pulps, organic acid, wood vinegar and feldspar is provided to make it environmentally friendly, to purify soil and to reduce the generation of disease and insect damage. Multifunctional mulching paper for agricultural is prepared by the steps of; mixing feldspar with 600 to 4,000meshes and 500mg 100% wood vinegar and aging at 300deg.C for 8hr to a moisture content of less than 1%; adding with charcoal or fine charcoal with more than 500meshes; adding recycled paper, liner paper, pulps, organic acid such as acetic acid, natural paste and biodegradable adhesives and sheeting. In the process, 39.5 to 89.5% paper material can be mixed with 0.5 to 25% inorganic dyes, 5 to 15% by weight of natural paste and less than 5% by weight of other additives. The mulching paper desirably has a basis weight of 60 to 110g/m^2, width of 30cm^2 to 2m and length of about 200m. |
