Biochar shows promise for future soil health enhancement and maintenance, according to a new study.

"...llamas, when managed by Indigenous herders, are accelerating soil fertility and plant succession."

Municipal waste incinerators' legacy of contamination could live on in urban soils, finds a study on lead in city parks.

During drought, soils release more volatile organic compounds into the atmosphere, researchers report.

"Think of it as Earth's skin," says Jon Chorover of the critical zone. "It's sometimes termed the zone where rock meets life."

New research pins down what happens in plants as they change the direction of their growing roots to avoid salty soil.

"The 2022 summer has shown how human-induced climate change is increasing the risks of agricultural and ecological droughts..."

Soil temperature indicates where the corn earworm can survive the winter. The finding could help farmers control the ravaging pests more effectively.

A new wireless system that measures soil moisture in real time could both improve crop yield and reduce water consumption.

Soil's capacity for holding water will be key to determining how well farms in some parts of the US manage prolonged heat stress, research finds.