National Geographic news3y
Why soil matters (and what we can do to save it)
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 ...
Nature7y
Soil Water: From Molecular Structure to Behavior
Soil water is thus a critical resource that ... a property associated with cohesion of similar molecules at a liquid-gas interface that provides a tendency toward inward contraction of the liquid ...
extension.purdue.edu4y
Fundamentals of Soil Cation Exchange Capacity (CEC)
Soils can be thought of as storehouses for plant nutrients. Many nutrients, such as calcium and magnesium, may be supplied to plants solely from reserves held in the soil. Others like potassium are ...
Australian Broadcasting Corporation10d
What does social cohesion mean, who does it work for — and does the concept have a future in Australia?
Police confront a rally at the Victorian state parliament opposing new laws that aim to restrict protests in the name of “social cohesion” — a move that critics argue threatens democratic ...