Mollisols soil order is most common in the great plains states from north Dakota through Oklahoma.
The soils in grassland environments are called mollisols. They have a substantial, black surface horizon. This mollic epipedon-shaped fertile surface horizon develops over time as a result of the slow accumulation of organic elements from plant roots.
Mollisols are common in prairie areas like the United States' Great Plains and are typically found in the intermediate latitudes. They take up around 7.0% of the world's ice-free terrain. They make up the largest soil order in the United States, covering around 21.5% of the total land area. Mollisols are often employed for this purpose since they are among the most significant and effective agricultural soils in the world.
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