Pittsburgh, Pa., USA: Earthworms, the hardworking invertebrates that grace the upper layers of soil, have long been considered helpful in our home gardens. Earthworms are prolific munchers, grinding ...

Bauxite residue, the byproduct of aluminum production, represents one of the most pressing global environmental challenges, with billions of tons stored in vast tailing dams. Its extreme alkalinity ...

Soil organic carbon is a large component of the global carbon cycle. This collection of research articles and opinion pieces in Nature Geoscience highlights how disturbances across a range of ...

CORVALLIS – Adding organic matter is the best way to improve nearly all kinds of soils. If you’re unsure if your soil needs amendments, take note if it dries and cracks in summer, drains slowly or is ...

Soil sampling is done in other parts of the world as well. The International Soil Organic Carbon Network encompasses more than 430,000 soil profiles, drawn from across the globe. Scientists use such ...