2012-ramirez_et_al-consis-effects-of-nitrogen-amendments-on-soil-microb-communities-and-processes-across-biomes-global_change_biology December 21, 2016 by lspierson 2012-ramirez_et_al-consis-effects-of-nitrogen-amendments-on-soil-microb-communities-and-processes-across-biomes-global_change_biology