| 摘要 |
<p>The present invention relates to a biodegradable agricultural mulching film comprising apatite having a fertilizing substance, and a method for preparing the same. The method for preparing a biodegradable agricultural mulching film comprising apatite comprises the steps of: 1) pulverizing apatite stones to 500 mesh or more; 2) blending apatite powder (20-80%), corn starch and sweet potato starch (80-20%) with essential nutrients for plants, such as sulfur and nitrogen according to the use of the blending; 3) preparing a complete product of an apatite composition; 4) combining LDPE or HDPE with the apatite composition; and 5) extruding and molding a plastic film; and 6) producing an apatite plastic film.</p> |
