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Sources and fate of nitrate in groundwater at agricultural ..:

Bourke, Sarah A ; Iwanyshyn, Mike ; Kohn, Jacqueline.
Hydrology and Earth System Sciences -- http://www.bibliothek.uni-regensburg.de/ezeit/?2100610 -- http://www.hydrol-earth-syst-sci.net/volumes_and_issues.html -- 1607-7938.  , 2019