Five tonnes of animal life can live in one hectare of soil.

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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 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 Global Soil Proverbs – Cultural Language of the Soil.
Read more


IUSS Presidential Election 2020

The election of the next President of the IUSS is due this year. Nominations for two candidates were received, who fulfill the nomination criteria. The IUSS Council shall vote on these two candidates involving the national members until 30 September. The nomination documentation of the candidates is available here:

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


Tenets of Regenerative Agriculture in Response to the COVID-19 Pandemic

Quarterly Viewpoint from the desk of Rattan Lal, Past President, International Union of Soil Sciences

The COVID-19 pandemic has disrupted the traditional food production and supply chains and aggravated the global problem of food and nutritional >>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.

2nd Summerschool “Certificate in Archaeological Soil Micromorphology and Phytolith Analysis”
Monday, 3. August 2020 to Saturday, 8. 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
1st International Conference on Sustainable Tropical Land Management (ICSTLM) 2020
Wednesday, 16. September 2020 to Friday, 18. September 2020
First IUSS Conference on Sodic Soil Reclamation
Thursday, 17. September 2020 to Saturday, 19. 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
GSS 2020 – 4th Global Soil Security 2020 Conference - "Global Soil Security: Beyond the Soil to Human Health."
Monday, 12. October 2020 to Thursday, 15. October 2020
International Conference Contaminated Sites 2020
Monday, 26. October 2020 to Wednesday, 28. October 2020
SUSTREM2020 Conference - Empowering Sustainable Land Management for the Future
Thursday, 29. October 2020 to Friday, 30. October 2020
ISCRAES 2020 - International Symposium on Climate-Resilient Agri-Environmental Systems
Tuesday, 3. November 2020 to Friday, 6. November 2020
2020 ASA, CSSA & SSSA Annual Meeting
Sunday, 8. November 2020 to Wednesday, 11. November 2020