Research by former PhD student (and current faculty member at UMass) was described phys.org:
https://phys.org/news/2015-03-content-thresholds-gardenia-jasminoides.html

A website from the College of Agricultural and Environmental Sciences
Optimizing production practices for controlled environment agriculture.
Research by former PhD student (and current faculty member at UMass) was described phys.org:
https://phys.org/news/2015-03-content-thresholds-gardenia-jasminoides.html