A unique citizen science project in Switzerland has engaged over 1,000 volunteers to bury cotton underwear and assess soil biological activity. The initiative, spearheaded by the University of Zurich and Agroscope, aims to create a comprehensive dataset regarding soil health across various land types.
In total, participants buried 2,000 pairs of cotton underwear and 12,000 tea bags at around 1,000 different sites. This approach has provided valuable insights into how land management practices impact soil vitality.
Key Findings
- Cotton underwear decomposed fastest in private gardens, demonstrating higher biological activity in those areas.
- Lawns exhibited the slowest rates of decomposition, pointing to less robust soil health.
- The findings underline the crucial role of land management in maintaining soil vitality, which is essential for food security and environmental sustainability.
- Researchers have introduced an 'Underwear Index' to help the public gauge soil health and raise awareness about protecting important soil ecosystems.
- The project has become one of Switzerland's largest datasets on soil, involving 240 co-authors and substantial public engagement.
This innovative study not only sheds light on how different land uses affect soil health but also emphasizes the community's role in scientific research. By utilizing everyday items like underwear, researchers aim to bridge the gap between scientific discovery and public understanding of environmental issues.






