Decomposed cotton flannels show the power of the soil in national competition

5:30 min

The amount of fertile soil in Sweden is shrinking, say researchers, who have organised a competition to bring attention to our need for healthy earth.

Radio Sweden spoke to Christina Lundström at Sweden's agricultural university, about how around 400 teams have buried cotton dishcloths and are now digging them up to see which area's soil has been the best at breaking down the cloth. That depends on four factors, she says: water, nutrients, small organisms, and air.

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