Every farmer and every allotment gardener knows that humus is good for plant growth. But why? Humus contains humic substances. These substances have numerous advantages for the soil. In particular, ...

Discover the latest articles and news in related subjects. Figure 1: Traditional and emergent views of the nature of soil organic matter affect how we predict and manage soil, air and water. Here we ...

Soil organic matter is often described as the foundation of soil fertility. It helps soils hold nutrients, retain water, support microbial life, and store carbon. Yet scientists are still working to ...