We seek applicants for two Ph.D. positions in the Department of Plant and Environmental Sciences at Clemson University, SC, USA. The project focuses on changes in soil carbon cycling, plant-soil feedbacks, root-rhizosphere interactions in managed and unmanaged ecosystems. Successful candidates would work as part of a multi-institutional team of research scientists and postdocs. The candidates who have an excellent background in biogeochemistry/ ecology/ root biology/ microbial ecology or related fields are encouraged to apply. An MS degree in related field is preferred. The candidates should have a strong aptitude to learn analytical and molecular techniques as required by the projects. The positions are available starting summer or fall 2018. Interested applicants should email (Vidya Suseela (vsus...@clemson.edu) or Nishanth Tharayil (ntha...@clemson.edu) a cover letter describing your research interests and prior experiences, an updated C.V (with GRE scores), unofficial transcripts, and contact information for three references. Review of applications will begin immediately and will continue until the positions are filled.