Soil carbon storage is a vital ecosystem service, resulting from interactions of ecological processes. Human activities affecting these processes can lead to carbon loss or improved storage. Aa Aa ...

When European-American settlers first began ploughing in Iowa, they found the weather and local geology had combined this organic mulch with sand and silt to form a nutrient-rich type of soil ...

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 ...

The capacity of soil to regulate the terrestrial freshwater supply is a fundamental ecosystem service. Water percolating through soil is filtered, stored for plant utilization, and redistributed ...

Top-dressing a lawn is a fancy term for amending the soil without disturbing the sod. Golfers might be familiar with the practice because this technique was first performed on golf courses in ...

Soil fertility is the ability of soil to sustain plant growth and optimize crop yield. This can be enhanced through organic and inorganic fertilizers to the soil. Nuclear techniques provide data that ...

We can find soil in lots of different places because it's really important for almost all plants. Soil helps plants stay upright and it contains important substances to help them grow. In this ...

Earthworm, Soil, Plant, Leaf/Leaves. The term ’organic’ (being made of parts of living or once living things) may need to explained to all learners. As a class, sort the soils in order of different ...

The 2021 peer-reviewed study Pesticides and Soil Invertebrates: A Hazard Assessment shows that pesticides widely used in American agriculture pose a grave threat to organisms needed for healthy soil, ...

Learn more Plants need water to thrive, but soil moisture content isn't necessarily apparent at a glance. A moisture meter can provide quick readings to help you better understand soil health and ...