Aerial seeding is used to quickly cover large areas, e.g. post forest fires; but often has very low germination rates.<p>By attaching seed to a self burying carrier, germination rates go up.<p>It seems as if the carrier is made out of wooden veneer.<p>Article from Nature
<a href="https://www.nature.com/articles/s41586-022-05656-3" rel="nofollow">https://www.nature.com/articles/s41586-022-05656-3</a>