Biochar as a soil amendment has been proposed for enhancing carbon sequestration and manure-borne hormone contaminant remediation.

Though highly mineralized rock dust may be a valuable soil amendment, its value must equal its cost.

In the U.S., the primary fate of processed sewage sludge (class B biosolids) is application to agricultural land as a soil amendment.

Naturally, if you live in an area where soils are alkaline, don't use wood ashes as a soil amendment; they raise the pH even higher.

Here, we investigated how soil amendments affect protist communities and inferred potential interactions with bacteria and fungi.

There are also new synthetic, long-lasting soil amendments that hold and release even more moisture than humus.