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. 

Terms of Partnership: Full and Individual Membership. Full membership in IUSS has Ukrainian Society of Soil Scientists and Agrochemists (USSSA), wich works on the base of NSC ISSAR. Individual members are  Soil Geoecophysics Laboratory. Aspects of Partnership: development of international links, informational materials, participation in IUSS activities.