A Mechanistic Study of Plant and Microbial Controls over R* for Nitrogen in an Annual Grassland Yelenik, Stephanie G. ; Colman, Benjamin P. ; Levine, Jonathan M. ; HilleRisLambers, Janneke Abstract Publication: PLoS ONE Pub Date: August 2014 DOI: 10.1371/journal.pone.0106059 Bibcode: 2014PLoSO...9j6059Y