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.

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IUSS Bulletins

IUSS Bulletin 134IUSS Bulletin 134 (June 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
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IUSS Stimulus Fund – second call for submissions 2019

IUSS has established an annual Stimulus Fund to support suitable activities within its Commissions and Working Groups. Where appropriate, the Fund will also support other activities to assist the development of soil science generally but particularly in regions of the world where lack of resources limit opportunities. Applications should be sent to

Submission deadline: September 15, 2019

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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


Results of IUSS Poster Contest ‘Soilutions’ to solve soil degradation problems

IUSS considers stopping soil degradation as one of its most important tasks, and invited to propose ‘Soilutions’ in the form of a poster in order to preserve this unique resource and life itself.

The ideas and >>Read more

Upcoming Meetings

CODATA 2019 - Towards next-generation data-driven science: policies, practices and platforms
Thursday, 19. September 2019 to Friday, 20. September 2019
JRC-European Network on Soil Awareness (ENSA) meeting
Thursday, 19. September 2019 to Friday, 20. September 2019
Soil and Plant System Sciences (SPSS 2019) - Natural and Human-induced Impacts on the Critical Zone and Food Production
Monday, 23. September 2019 to Thursday, 26. September 2019
9th International Congress of ESSC: Soil's Contribution to People: from Food to Life Supporting Services
Thursday, 26. September 2019 to Saturday, 28. September 2019
25th World Congress of the IUFRO (International Union of Forest Research Organizations)
Sunday, 29. September 2019 to Saturday, 5. October 2019
3rd Intensive Training Course on Soil Micromorphology
Monday, 30. September 2019 to Friday, 11. October 2019
7th International Symposium on Soil Organic Matter: Soil Organic Matter in a Stressed World
Sunday, 6. October 2019 to Friday, 11. October 2019
XXII Latinoamerican Soil Science Congress - Diversidad Productiva: pilar del manejo sostenible de los suelos
Monday, 7. October 2019 to Friday, 11. October 2019