Alan Bowsher’s paper, Effects of soil nitrogen availability on rhizodeposition in plants: a review was recently published in Plant and Soil. Congrats to Alan!
The MMPRNT project also featured in the KBS annual report. Check it out here: 
http://www.kbs.msu.edu/wp-content/uploads/2017/11/KBSAnnualReport16-17-web-secure.pdf
Bethany Bohlen and intern Evan Kutz also produced a video series about the MMPRNT project over the summer. Here is the the first video in the series: