TY - RPRT TI - Nitrogen retention across a gradient of 15N additions to an unpolluted temperate forest soil in Chile AU - Steven S. Perakis AU - Jana E. Compton AU - L. O. Hedin PY - 2005 DO - 10.1890/04-0415 UR - https://pubs.usgs.gov/publication/1016242 ID - 1016242 ER -