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 granulation, granular ziab, granular txias, granular grading, tiav cov khoom txheej thiab cov khoom ntim kawg.
Cov Kab Ntau Lawm Ntawm Cov Khoom Siv Organic Fertilizer: