Soils containing over 20% organic material are classified as organic soils. What are these types of soils commonly known as?
Explanation
Organic soils with more than 20% organic matter primarily include Peat and Muck soils. Peat soil consists of partially decomposed plant material, while Muck soil is composed of well-decomposed organic matter. Solonchak soil, on the other hand, is saline soil and does not fall under organic soils.