Answer:
Color : The color range for the fine sandy loam is from light grayish-brown to black, while with the loam it was from dark-grayish-brown to black.
Odor : Healthy soils have a distinctive, earthy odor
Explanation:
The color range for the fine sandy loam is from light grayish-brown to black, while with the loam it was from dark-grayish-brown to black. In the subsoil the fine sandy loam ranges from light yellow to dark-brown while with the :loam the range is from light yellow to brown.
Healthy soils have a distinctive, earthy odor due to Actinobacteria and other beneficial microbes. Actinobacteria are present in a healthy soil and produce geosmin, which in turn produces a distinctive odor. Unhealthy soils often have a sour or metallic smell.
