| 摘要 |
<p>A mixing material comprises a compacted and plasticized granular paper foam extruded mixture of: (A) dry-defibrated waste paper, cardboard, or a mixture thereof; and (B) biopolymers, mash, or a mixture thereof. The mixing material is useful as a seed encapsulator or sludge thickener, and for preparing controlled time release fertilizer mixtures.</p> |
