cov xwm txheej uas yuav siv:
1. Khoom noj qaib: nqaij qaib, os, npua (npua, npua haus mis), os, cov khoom noj pellets;
2. Cov tsiaj txhu thiab nqaij qaib pub: nyuj thiab yaj pub pellets;
3. Cov khoom siv hauv dej: ntses, cw, roob ris;
4. Cov khoom siv hauv miv: tofu miv litter;
5. Cov roj biomass pellets: cov ntoo chips, shavings, alfalfa, hops, ntoo thuv, ntau yam ntoo, ceg txiv ntseej, ntoo sawn, straw, xibtes, mov husk, bagasse;
6. Cov hmoov chiv organic: kev tsim cov quav qaib thiab lwm yam quav tsiaj;
7. Cov pa roj carbon uas ua kom cov pa roj carbon ua haujlwm:
8. Lwm tus: Cov khoom siv luav / qwj / noog pellet;