In humus A mor-humus formation, or raw humus condition, occurs in soil that has few micro- organisms or animals, such as earthworms, to decompose the organic matter that lies on the soil surface. Below this surface-litter layer is a distinct, strongly compacted humus layer; a layer of mineral… Read More
occurrence in coniferous forests
In coniferous forest …compacted humus layer, known as mor, which contains many fungi. These soils are low in mineral content, organic material, and number of invertebrates such as earthworms. Read More