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Site Specific Farming 2: Developing Zone Soil Sampling Maps
(North Dakota State University, 2008)
Summary of Soil Fertility Levels for North Dakota, 1991-2001
(North Dakota State University, 2009)
Managing saline soils in North Dakota
(North Dakota State University, 2003)
Effectiveness of Gypsum in the North-central Region of the U.S.
(North Dakota State University, 2006)