Component soil is a type of soil composed of four different components: agro, MARL, LOAM, and EARTH. Agro is a type of soil made up of clay, silt, and sand particles. MARL is a type of soil composed of calcium carbonate and clay particles. LOAM is a type of soil composed of sand, silt, and clay particles. EARTH is a type of soil composed of organic matter, clay, silt, and sand particles. Loess is a type of soil composed of wind-blown silt particles. All of these components combine to form component soil, which is an important part of the environment.