10 soil facts
Have you ever stopped to consider just how amazing soil is?
With a name like the Soil Association, it'll come as no surprise that we think soil is a pretty big deal! Here are our 10 favourite facts about this incredible resource.
- More than seven billion organisms can be found in just one tablespoon of soil - that's around the same as the number of people on the planet!
- 95% of the food we eat comes from the soil – we’d be pretty hungry without it
- A quarter of all known species on Earth call soil their home
- Every minute we lose the equivalent of 30 football pitches of fertile soil, but it can take up to 1,000 thousand years for a single centimetre of topsoil to form
- Only about 1% of the microorganisms found in soil have been identified
- Soil is ancient. Meteorites that date from the birth of the solar system include clay minerals that made up our earliest soils
- Healthy soils have six different layers that begin with organic matter and topsoil and end with bedrock - there are 5 things all of us can do to help keep our soil healthy
- UK soil holds nearly 10 billion tonnes of carbon, which is equivalent to the total global emissions created by humans in a year!
- Healthy soil helps to prevent floods and mitigate the effects of drought. This special stuff can store one and a half Olympic swimming pools full of water per hectare
- Organic farms have 20% more organic matter in their soil on average. Organic matter is very important for building natural fertility and nutrients, and helping the soil to store water
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