TY  - RPRT
TI  - Nitrogen limitation, 15 N tracer retention, and growth response in intact and Bromus tectorum -invaded Artemisia tridentata ssp. wyomingensis communities
AU  - Dana L. Witwicki
AU  - Paul S. Doescher
AU  - David A. Pyke
AU  - Nicole M. DeCrappeo
AU  - Steven S. Perakis
PY  - 2012
DO  - 10.1007/s00442-012-2442-5
UR  - https://pubs.usgs.gov/publication/70040355
ID  - 70040355
ER  -