Soil Science

Colluvial soil forms through the process of gravity-driven soil movement down a slope and accumulates at the base of hills or mountains. 

Clayey soil is a type of soil that is commonly found in various parts of the world, particularly in areas with a humid climate.

Soil acidification is process by which pH of soil decreases, making it more acidic. This can have significant impacts on health of plants.

Topsoil is the uppermost layer of soil that is rich in organic matter, microorganisms, and essential nutrients.

Subsoiling, also known as deep tillage, is a soil cultivation method that involves use of specialized tools to break up compacted soil layer.

A soil tensiometer is a device used to measure water tension in soil. It is an important tool for understanding water management of crops.