Background and Aims Lignin of lignocellulosic residues from biomass for energy can be exploited in sustainable agriculture as plant stimulants. Lignin monomers or their microbial bioproducts are ...

Soil-borne fungal diseases threaten crop productivity and quality, and the agricultural sector has long relied on chemicals to manage these pathogens. However, new research is uncovering a natural ...

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 ...

The ability of Fe-deficient cucumber plants to use iron complexed to a water-extractable humic substances fraction (WEHS), was investigated. Seven-day-old Fe-deficient plants were transferred to a ...