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 134IUSS Bulletin 134 (June 2019)

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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


Request for contributions to IUSS Bulletin 135

You are kindly invited to submit your contributions for the next IUSS Bulletin 135 (to be published in December). In particular, we would welcome conference/meeting reports and reports on activities dedicated to the International Decade of Soils (2015-2024), and any other information you would like to share with the international soil science community. Also, we would like to give more room to national soil science societies to present their recent activities. Please make sure to send high-resolution photos only, together with the copyright information (owner of the photos) which is obligatory.

Please send your contributions to the IUSS Secretariat ( no later than 20 November 2019.

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

International Committee on Contaminated Land - 14th ICCL-meeting
Wednesday, 23. October 2019 to Thursday, 24. October 2019
LANDMARK: Strategic Research for Strategic Plans - Final Conference​
Wednesday, 23. October 2019 to Wednesday, 23. October 2019
GLOSOLAN - 3rd meeting of the Global soil laboratory network
Monday, 28. October 2019 to Wednesday, 30. October 2019
14th International Conference of the East and Southeast Asia Federation of Soil Science Societies (ESAFS) 2019 Smart Soil Management for Sustainable Agriculture
Sunday, 3. November 2019 to Thursday, 7. November 2019
Joint International Conference on “Soil and Water Resources Management for Climate Smart Agriculture and Global Food and Livelihood Security”
Tuesday, 5. November 2019 to Saturday, 9. November 2019
Soils as records of Past and Present: the geoarchaeological approach Focus on: is there time for fieldwork today?
Wednesday, 6. November 2019 to Thursday, 7. November 2019