Afforestation transforms degraded soils in semi-arid regions, increasing microbial necromass and enhancing soil carbon and nitrogen pools, thereby improving ecosystem health.

Whether carbon comes from leaves or needles affects how fast it decomposes, but where it ends up determines how long it's available. In one of the few such studies, scientists examined how dead leaves ...

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 ...