| corn husk | 2.70 | Remove corn husks. | ||
| coconut husk | 0.46 | Coir fiber comes from coconut husks. | ||
| padi husk | 0.46 | Both Loo and Lai use sawdust, padi husks and carbonate to grow mushrooms. | ||
| popcorn husk | 0.33 | Popcorn husks also have some intelligence. | ||
| rice husk | 0.26 | The first demonstration involved chicken dung, sawdust and burnt rice husk. |