Another type of this substance contains a high percentage of (*) humus (HUE-muss), and is known as nutrient-rich loam.
Types of this material include chernozem (CHAIR-no-zem) and solonetz (so-low-NETS). The formation of this substance is known as pedogenesis (PEH-doh-JEN-uh-sis). A yellowish type of it is known as "loess" (LOW-us). Another type of this substance contains a high percentage of (*) humus (HUE-muss), and is known as nutrient-rich loam. This material becomes saline, nutrient-poor, and dry during desertification. For 10 points, name this material, made up of biodegraded substances and disintegrated rock.
Types of this material include chernozem (CHAIR-no-zem) and solonetz (so-low-NETS).
{soil} [accept {earth}; do not accept "dirt" or similar answers]