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2017
May
Neat News 2017-133 (added 2017-05-13)
Importance of Worms
© Aruna [CC BY-SA 3.0]
| Earthworms are important for the health of soil. In heavily ploughed fields, however, half of the earthworms disappear. But in a decade after going back to a sustainable usage of the soil the number of earthworms recovers to their previous levels. |