Browsing Faculty of Graduate Studies and Research by Author "Waiser, Marley"

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Effects of Anthropogenic Urea on Lakes of the North American Great Plains: Ecological Implications Based on Experimental and Observational Studies

Bogard, Matthew James (Faculty of Graduate Studies and Research, University of Regina, 2011-10)

Urea consumption has increased dramatically since the 1960s and now comprises over 50% of the nitrogen (N)-based fertilizer used globally. Currently, only 30-50% of N-fertilizers applied to cropland are effectively used ...