hii Link haipo kwenye lugha yako, kuangalia kwa: English (en),
au tumia ufasiri wa google:  

http://www.iuss.org/

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.