1. a type of grayish soil found in arid and semi-arid regions, characterized by low organic matter content and high mineral content
Usage: geology; soil science

Examples

• The sierozem soils of the desert region require careful irrigation for agriculture.
• Researchers studied the mineral composition of sierozem in the southwestern United States.
• The low rainfall in this area has resulted in the formation of sierozem.
• Farmers must add organic matter to improve the fertility of sierozem soils.
• The grayish color of sierozem distinguishes it from other soil types.
• Sierozem is commonly found in regions with less than 10 inches of annual precipitation.