In 2021, around 1,000 Swiss volunteers buried more than 2,000 pairs of cotton underwear and 12,000 tea bags in different soils. The experiment used how quickly they broke down to measure soil life. Five years later, researchers found that private gardens had the most active soils, while lawns showed the least biological activity. The results also highlighted the role of soil nutrients and organic matter.

Forscher:innen der Uni Zürich ließen Unterhosen und Teebeutel in der ganzen Schweiz vergraben und erhielten überraschende Einblicke.

In 2021, around 1,000 Swiss volunteers buried more than 2,000 pairs of cotton underwear and 12,000 tea bags in different soils. The experiment used how quickly they broke down to…