It can take more than 1000 years to form a centimeter of topsoil.

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The International Union of Soil Sciences (IUSS) is the global union of soil scientists. The objectives of the IUSS are to promote all branches of soil science, and to support all soil scientists across the world in the pursuit of their activities. This website provides information for IUSS members and those interested in soil science.

Last IUSS Alert

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IUSS Bulletins

IUSS Bulletin 135  IUSS Bulletin 135 (December 2019)

  Click here for archived bulletins!

Internat. Decade of Soils

As one of the outreach activities during the International Decade of Soils (2015-2024) the IUSS has launched a book series.
These books are not only addressed to soil scientists, but also to academic students of other sciences. These books shall shed light on important soil issues related to other disciplines and global challenges.
The newest book is titled Soil and Sustainable Development Goals
Read more


RECSOIL: Recarbonization of global soils

In observance of the World Day to Combat Desertification and Drought (17th June 2020) the webinar will discuss the feasibility of moving the SOC agenda into action and how RECSOIL can contribute to it. IUSS Past President Prof. Rattan Lal will speak about the Status and challenges of global soil organic carbon sequestration.

Read more:

Recommended Publication

New book of IUSS published

The most recent book in the IUSS book series of the International Decade of Soils (2015-2024) Global Soil Proverbs. Cultural Language of the Soil was published in the CATENA series GeoEcology Essays.
The book features an impressive number of proverbs compiled in 32 chapters from 29 different countries in Africa, Asia, Europe, North America, and Oceania, sharing insights about philosophy, culture, and life in each country.

>>Read more


IUSS Past President Rattan Lal will receive the 2020 World Food Prize

The IUSS is very proud that its current Past President Prof. Dr. Rattan Lal will receive the 2020 World Food Prize for developing and mainstreaming a soil-centric approach to increasing food production that restores and conserves natural resources and >>Read more

Upcoming Meetings

The outbreak of the Corona virus is clearly a rapidly evolving situation. The organisers of the meetings listed below will be constantly reviewing the situation in the light of global and country-specific advice to inform decisions to minimise the additional risks to attendees, their communities and those living in the meeting’s host country.

The IUSS will also continue to monitor the situation, and advise that prior to attending meetings our members review up to date information from their country’s government, the WHO and from the host country to ensure that everyone’s health and wellbeing remains a priority.

4th annual international summer school "Monitoring, modeling and management of urban green infrastructure and soils" (3MUGIS)
Monday, 6. July 2020 to Sunday, 26. July 2020
International Workshop on Archaeological Soil Microscopy and Phytoliths Analysis (WASM)
Wednesday, 8. July 2020 to Friday, 10. July 2020
2nd international conference "Smart and Sustainable Cities" (SSC-2020) "Advanced technologies for sustainable development of urban green infrastructure"
Wednesday, 8. July 2020 to Friday, 10. July 2020
2nd Summerschool “Certificate in Archaeological Soil Micromorphology and Phytolith Analysis”
Monday, 3. August 2020 to Saturday, 8. August 2020
XIVth International symposium and field workshop on paleopedology (ISFWP-XIV) - Paleosols, pedosediments and landscape morphology as archives of environmental changes
Thursday, 13. August 2020 to Sunday, 23. August 2020
2020 Soil Biology Lab Skills Course
Monday, 31. August 2020 to Friday, 4. September 2020
InterPore2020 – 12th Annual Meeting
Monday, 31. August 2020 to Friday, 4. September 2020
4th International Organic Phosphorus Workshop
Monday, 7. September 2020 to Friday, 11. September 2020
2020 SSSA Kirkham Conference
Monday, 14. September 2020 to Thursday, 17. September 2020
7th International Scientific Conference "Reflection of bio-, geo-, antropospheric interactions in soils and soil cover"
Monday, 14. September 2020 to Saturday, 19. September 2020
8th World Sustainability Forum (WSF2020)
Tuesday, 15. September 2020 to Thursday, 17. September 2020
First IUSS Conference on Sodic Soil Reclamation
Thursday, 17. September 2020 to Saturday, 19. September 2020
WRB Workshop Summer 2020
Sunday, 20. September 2020 to Friday, 25. September 2020
3rd ISMC Conference – Advances in Soil Systems Modeling
Thursday, 24. September 2020 to Sunday, 27. September 2020
IX National Symposium on Control of Soil Degradation and Recovery
Wednesday, 30. September 2020 to Friday, 2. October 2020