In a handful of fertile soil, there are more individual organisms than the total number of human beings that have ever existed.
Contact & Legal notice
Contact editorial journalist
Responsible for content
Secretariat of International Union of Soil Sciences
T: +43-(0)1-313 04/3670
M: +43-(0) 664 80013 3670
F: +43-(0)1-313 04/3533
Spittelauer Lände 5
This website is owned by the International Union of Soil Sciences.
Hosting of the IUSS website by courtesy of
This page is running a REDAXO CMS
The author reserves the right not to be responsible for the topicality, correctness, completeness or quality of the information provided. Liability claims regarding damage caused by the use of any information provided, including any kind of information which is incomplete or incorrect, will therefore be rejected.
All offers made on this website are non-binding and without any obligation. Parts of the pages or the complete publication including all offers and information may be altered, amended or partly or completely deleted or discontinued by the author without prior announcement.
2. External links
The author is not responsible for the content on any other websites linked to or referred to from his pages – unless he has full knowledge of any illegal content and would be able to prevent the visitors of his site from viewing those pages. If any damage arises from the use of information presented on such external pages, only the author of the respective pages will be held liable. The person setting up the link to these pages will not be responsible. Furthermore the author will not accept liability for any postings or messages published by users of the discussion boards, guest books or mailing lists provided on his page.
The author does not intend to use copyright material for the publication or, if this is not possible, to mark the respective object as belonging to another’s copyright.
The copyright for any material created by the author is reserved. Any duplication or commercial use of objects such as images, diagrams, sounds or texts in other electronic or printed publications is not permitted without the author’s prior agreement.
If the opportunity for an input of personal or business data (email addresses, name, addresses) arises, the input of these data takes place voluntarily. The use of, and payment for, all offered services is permitted – if and as far as technically possible and reasonable – without the specification of any personal data, or when using anonymized data or an alias. The use of the published postal addresses, telephone or fax numbers and email addresses for marketing purposes is prohibited. Should offenders send unwanted spam messages, appropriate action shall be taken.
5. Legal validity of this disclaimer
This disclaimer is to be regarded as part of the internet publication from which you were referred to this page. If parts or individual terms of this statement do not, or not fully, comply with the applicable law, this does not affect the content or validity of the other parts of the document.
Right of Objection to Statistical Data Collection
We use a tool to count the number of visits on our homepage to continuously improve its functionality and navigation, so that it will remain a useful and effective source of information for all our visitors in the future.
When accessing our homepage, the time of access and a signature of the computer or device used will be stored. The signature consists of the IP address, browser and OS identification. The data is stored in pseudonym form, so the signature cannot be attributed to a specific user. The information will be analysed statistically.
There is the possibility to object to the collection, processing and use of personal data for the above-mentioned purpose by clicking the following link.
Should you have objected, an opt-out cookie will be left on your computer or device. This cookie contains the information that you have objected to the creation of profiles.
This cookie is called “piwik_ignore” and is left by “iuss.boku.ac.at/analytics/piwik”. This cookie should not be deleted as long as you object to the storage of your data. You will have to repeat the deactivation process, if you want to use a different computer or web browser.