Humic substances represent a crucial component of soil organic matter, playing an instrumental role in nutrient cycling, water retention and the enhancement of soil structure. Their complex and ...

A reader e-mailed me with a question about humic acid. Since the quality of their lawn is not as good as they desire it to be, a lawn service has recommended an application of humic acid. They want to ...

An acid found in rich humus soil breaks down the misfolded brain proteins — called prions — that cause chronic wasting disease. When concentrations of humic acid similar to those found in soils were ...