Living organisms should make up about 15% of the organic matter content of the soil and include microorganisms such as bacteria and fungi, as well as larger animals such as earthworms, insects, and moles.
Tintfo letiphilako kumele take lokufika ku 15% wetintfo letincane letiphila ngaletinye letetfwele umhlabatsi naletifaka tintfo letincane letiphila emhlabatsini kufana nemagciwane kanye nekugula kwekutselelana, kanjalo netilwane letinkhulu letifana netibungu, tilwanyana, kanye nemamoles.