International Soil Science Congress on “Management of Natural Resources to Sustain Soil Health and Quality” is going to be held at Ondokuz Mayıs University in Samsun, Turkey, in collaboration with the Soil Science Society of Turkey, May 26 – 28, 2010. On behalf of the organizing committee, we are delighted to extend our personal invitation to you to join us in Samsun for the congress. The purpose of this congress is to share your research, experiences and knowledge on soil science in general. All papers presented at the congress will be published in an abstract book and a proceeding book or CD.