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

Follow this link to go to the current and archived IUSS alerts!

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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


IUSS Bulletin 136 – request for contributions

The IUSS Secretariat ( kindly invites all IUSS members to submit contributions for our next IUSS Bulletin 136 (to be published in June) until 15 May 2020. Please make sure to send high-resolution photos only together with the copyright information (owner of the photos).

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 celebrates the 96th anniversary

On May 19th, 1924 was the official establishment of the International Society of Soil Science in Rome. Fighting for a better world implies striving for deeper knowledge.

Soil scientists are fully aware of this and their knowledge will be key for preventing the loss >>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.

8th Global Soil Partnership Plenary Assembly
Wednesday, 3. June 2020 to Friday, 5. June 2020
PRSSS 2020 Soil ID Course
Tuesday, 9. June 2020 to Thursday, 11. June 2020
Tuesday, 16. June 2020 to Thursday, 18. June 2020
8th International Crop Science Congress
Sunday, 21. June 2020 to Thursday, 25. June 2020
4th International Workshop on Intelligent Systems for Agriculture Production and Environment Protection (ISAPEP’20)
Monday, 22. June 2020 to Tuesday, 23. June 2020
4th Soil in the Environment Conference: SITE 2020
Sunday, 28. June 2020 to Wednesday, 1. July 2020
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
17th International Clay Conference 2021 (17th-ICC) - New interfaces: bridging continents and cultures with clays
Saturday, 11. July 2020 to Thursday, 16. 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
16th  International Conference on Soil Micromorphology
Sunday, 30. August 2020 to Thursday, 3. September 2020
2020 Soil Biology Lab Skills Course
Monday, 31. August 2020 to Friday, 4. September 2020