Acknowledgment
We greatly acknowledge field and lab assistance from Dr. Thomas Niemeyer
and Christoph Stegen. This research was financed by the BonaRes soil
sustainability program of the German Ministry of Education and Research
(BBF) within the INPLAMINT project with the grant numbers: 031B1062F
(Vicky M. Temperton), 031B1062C (Michael Schloter), and 031B1062D
(Michael Bonkowski). We thank IPK Leibniz-Institut, Gatersleben for
kindly providing seeds of wild barley for research purposes.