Data collected in Indiana and Illinois over 10 years confirms the generalizations just discussed. Earthworm populations were counted after 10 years of tillage plot history on a dark, poorly-drained ...

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 ...

they found the weather and local geology had combined this organic mulch with sand and silt to form a nutrient-rich type of soil called loam. It gave Iowa one of the most fertile soils on the ...

These range from loose sandy soils to waterlogged peats to the beautifully balanced loam that is so well suited to agriculture. But human activity is destroying the balance and one-third of the ...

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 ...

which is most soils, you are less likely to encounter manganese problems (although they might arise during drought or cool, wet growing conditions). “Clay loam soils, which are moderately ...

Significant problems are showing up on medium-textured soils, such as silt loam--a texture, found throughout most of the state. Observations in central Indiana indicate that the somewhat poorly ...

Soil is a mixture of tiny particles of rock, dead plants and animals, air and water. Different soils have different properties depending on their composition. Sandy soil is pale coloured and has ...

Soil is important to each of us in our everyday lives, but too often we think about it as just dirt! Soil is the special link between plants and humans. It feeds us, captures carbon and provides a ...

The glowing works from Siena, now at the Met, are revelatory for their emotional intensity and 24-karat beauty. By Holland Cotter Lisa Schiff acknowledges stealing millions from major collectors ...

Using soil samples from your own area, your class will get up close and see what they can find inside different soils. A practical observation activity looking at soil in detail, with discussion ...

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 ...