Soil as Sponges

Soils that are rich in organic matter act like sponges, soaking up heavy rains rather than allowing water to pond or run off the surface. By reducing runoff, healthy soils prevent sediment, nutrients, and other pollutants from washing into lakes and rivers. A spongy soil can also hang on to more water after the excess has drained, helping sustain crops through dry periods. Healthy soils can help reduce the negative effects of both floods and droughts, benefiting crops and downstream communities. Healthy soils can also be sponges for carbon dioxide in the atmosphere, with the potential to help prevent destructive climate change by storing more carbon in the form of organic matter. Find out how you can turn your soil into sponges: In Town On the Farm During construction, topsoil is often removed and remaining soils are compacted by heavy equipment.  Soils in a new development act more like concrete than sponges.  It can take decades for plant roots and freezing and thawing to reverse...
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