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
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IUSS Stimulus Fund – first call for submissions 2020

IUSS calls also this year for suitable activities to assist the development of soil science generally but particularly in regions of the world where lack of resources limit opportunities.

Next submission deadline: March 15, 2020

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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


IUSS Distinguished Service Award for HE Mr. Aziz Akhannouch

The IUSS Distinguished Service Medal for 2018 was finally given to HE Mr. Aziz Akhannouch (Morocco) in the course of the second annual ministerial conference of the Initiative for the Adaptation of African Agriculture to climate change (AAA >>Read more

Upcoming Meetings

Intersoil 2020 – International Conference on Soil, Sediments and Water - “Soil as a solution in facing the big challenges and reaching the goals for the planet”
Monday, 2. March 2020 to Tuesday, 3. March 2020
SOIL SCIENCE SOCIETY OF NIGERIA (SSSN) - 44TH ANNUAL CONFERENCE, COAL CITY, 2020 “Climate-smart soil management, soil health/quality and land management: synergies for sustainable ecosystem services”
Monday, 16. March 2020 to Friday, 20. March 2020
Workshop on Lysimeter – Sap Flow – IoT
Wednesday, 18. March 2020 to Friday, 20. March 2020
Soil Science Conference of Malaysia (SOILS 2020) - “Soil Management towards Plant Productivity & Environmental Sustainability”
Tuesday, 7. April 2020 to Thursday, 9. April 2020
VI International Soil Classification Congress in 2020 in Mexico
Thursday, 16. April 2020 to Friday, 24. April 2020
EGU General Assembly 2020
Sunday, 3. May 2020 to Friday, 8. May 2020
ISRIC Spring Schools 2020 - Hands-on Digital Soil Mapping 2020 and World Soils and their Assessment Course
Monday, 11. May 2020 to Friday, 15. May 2020
5th International Conference on Contaminated Land, Ecological Assessment and Remediation CLEAR2020
Wednesday, 13. May 2020 to Friday, 15. May 2020
ENSOr 2020 2nd International Workshop: Emerging policy challenges on new SOil contaminants
Monday, 18. May 2020 to Tuesday, 19. May 2020
ISCRAES 2020 - International Symposium on Climate-Resilient Agri-Environmental Systems
Tuesday, 19. May 2020 to Friday, 22. May 2020
100 years of agricultural experimentation at the Faculty of Agriculture and Biology at the Warsaw University of Life Sciences in Warsaw
Wednesday, 20. May 2020 to Friday, 22. May 2020
IX National Symposium on Control of Soil Degradation and Recovery
Wednesday, 27. May 2020 to Friday, 29. May 2020