The spirit of the soil. The product and the source of life." Humus originally meant "soil" in Latin, but its meaning has evolved over the years to refer to a specific component: the stable part of ...

Organic matter is an umbrella term to refer to all the dead stuff in the soil. It can be grouped into two main categories, called detritus and humus. Detritus is also known as active soil matter ...

Soil organic matter is the foundation of healthy, fertile soils, supporting sustainable nutrient cycling, biodiversity, and ...