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Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015 科技报告
报告编号: 70199372, , 2018
作者:  Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Barbash, Jack E. jbarbash@usgs.gov;  Embertson, Nichole M.
Adobe PDF(2496Kb)  |  收藏  |  浏览/下载：57/26  |  提交时间：2019/11/06
Preliminary characterization of nitrogen and phosphorus in groundwater discharging to Lake Spokane, northeastern Washington, using stable nitrogen isotopes 科技报告
报告编号: 70168724, 页数: 30, 2016
作者:  Gendaszek, Andrew S. agendasz@usgs.gov;  Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov
Adobe PDF(2990Kb)  |  收藏  |  浏览/下载：2/0  |  提交时间：2019/11/06