A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...

Soil pollution refers to the dangerously high concentrations of contaminants in soil. While contaminants such as metals, inorganic ions, salts, and organic compounds naturally occur in soils, these ...

We offer several types of tests to meet the needs of our varied clientele. The “Soil Fertility Tests” and the “Lead Screening Test” are the tests most commonly used by farmers, homeowners, landscapers ...

Do you usually throw away your old potting soil, thinking it's spent? If yes, you're wasting a good thing. Some plants thrive ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...

Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

For research work in Zimbabwe, Rémi Cardinael has received funding from the DSCATT project "Agricultural Intensification and Dynamics of Soil Carbon Sequestration in ...

TANG DONGHUA, a wiry 47-year-old farmer wearing a Greenpeace T-shirt, smokes a cigarette and gesticulates towards his paddy fields in the hills of southern Hunan province. The leaves of his rice ...