Cov txheej txheem thev naus laus zis ntawm cov organic chiv ntau lawm kab nrog dregs feem ntau tuaj yeem muab faib ua cov khoom siv raw, cov khoom siv raw sib xyaw, cov khoom siv raw granulation, granular drying, granular cooling, granular grading, tiav cov khoom txheej thiab cov khoom ntim kawg.
Cov Kab Ntau Lawm Flow ntawm Residue Organic Fertilizer: