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.
The principle component of humus is carbon. The color ranges from a light brown to a dark brownish-black. In order to build humus levels in soil the proper ratio of water, air, residue, bacteria, protozoa, algae, yeasts and fungi are needed.