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Using Your Senses to Identify Water Problems
(North Dakota State University, 2010)
Protecting Groundwater from Pesticide Contamination
(North Dakota State University, 2000)
Irrigation Water Sample Analysis
(North Dakota State University, 2008)
Working to Avoid Nitrogen Contamination
(North Dakota State University, 2001)
How to Assess for Nitrogen Problems in Water Resources
(North Dakota State University, 2001)
Water Quality and Nitrogen
(North Dakota State University, 2001)