The CU XHab Robotic Gardening team was selected by NASA as one of seven teams for the 2014 X-Hab Innovation Challenge.
More information about the student project can be found at http://xhabcu.wordpress.com/ and at http://www.nasa.gov/content/university-students-demonstrate-robotic-gardening-system.
The student project is part of a larger effort to develop an autonomous green house: http://correll.cs.colorado.edu/?page_id=225.