1. Color: Soil comes in a variety of colors, ranging from dark brown to light yellow, depending on its composition, humidity, and organic matter content. Common soil colors include dark brown, reddish brown, yellow, or gray.
2. Texture: The texture of soil can range from fine as powder to rough with multiple particles. The delicate texture of the soil is smooth and silky, like fine sand or clay; However, rough soil contains more stones, root fragments, or gravel, and has a harder and rougher texture.
3. Humidity: The humidity of soil can also affect its appearance. The surface of dry soil may appear cracked, with a darker color and a looser texture; Moist soil is denser and may appear lighter in color due to water reflection, and the surface may be covered with water droplets or a moist luster.