By Elijah Smith

Soil composition and sediment sizes found in soil.

Soil has a mixture of plants, weathered rock, mineral fragments, water and air. It takes soil a thousand years to form, so its considered a nonrenewable resource.

Causes of Soil erosion

The causes of soil erosion is bad farming technique (humans), wind and water. Example: dust bowl farming. The cause of that was many people kept farming so in result of that the wind took the topsoil away.

Soil pictures

Methods of preventing soil erosion

People used many ways to prevent soil erosion like terracing, wind breaks, contour farming, spraying water, and no till farming.