Soil is made of mineral particles (clay, silt, sand) and organic matter, known as “humus.” The proportion of sand, silt, and clay particles defines your soil’s texture and how it stores nutrients and ...

Often dust storms come from a small area of exposed soil. Click on 250m to see the most detail possible in the image and ... This can be done easily using Google Earth. Record your observations about ...

In October 1977 when teenagers Helen Scott and Christine Eadie were found brutally murdered after a night out at Edinburgh 's ...

sometimes dubbed "the nastiest soils on Earth" because of the threat they pose to ecosystems. "When these areas experience a rainfall or snowmelt, the accumulated acid and dissolved metals are ...

As a result, compacted soil is dense, heavy, and has a low capacity to absorb and drain water. It’s slow to move nutrients toward plant roots and it has a hard texture that prevents roots from growing ...

Mars once boasted abundant water, warmer temperatures, and a thicker atmosphere, offering a potentially habitable ecosystem ...

One of the most beautiful ornamental grasses for any garden is Pink Muhly Grass. Known for its airy, pinkish-purple plumes, ...

FORMER CSIRO scientist Walter Jehne has emphasised an urgent need to regenerate the earth’s “soil carbon sponge” and the integral role livestock can play in enhancing soil health and water retention.