Common symptoms of malaria. In the early stages, malaria symptoms are sometimes similar to those of many other infections caused by bacteria, viruses, or parasites. Symptoms may include: 1  Fever. 2  Chills. 3  Headache. 4  Sweats. 5  Fatigue. 6  Nausea and vomiting.
Humus soil is soil made up of decayed organic material. Popularly, it refers to soil that is light in texture, dark brown or black in color, and sweet-smelling. It is considered the richest soil and is usually described as the ideal soil type.
Humus Layer. This term is sometimes used to describe an upper level of soil â that dark black layer, such as in âthat humusy layer of soilâ. Although the dark color is probably due to humus, humus is not a layer in soil. There is no such thing as a âhumus layerâ.umus â The Secret to Great Soil. Think of humus as being a big sponge that can hold up to 90% of itâs weight in water. This water holding capacity of humus is why humus rich soil will remain moist for weeks longer than soil without humus.