Summary of soil fertility levels for North Dakota, 1991-2001
By: L.J. Cihacek ... [et al.].
Contributors: NDSU Extension Service
Series: SF-1397; Circular SF (NDSU ExtensionService) -- 1397.
Publisher: NDSU Extension Service
Published: 2009
Place of publication: Fargo, N.D
Language: eng
Number of pages: 19
Subjects: Soil fertility; Soils; Nitrogen content; Phosphorus content; Potassium content
Notes: Caption title.

"The data summarized in this publication are compiled from soil test analysis conducted at the North Dakota State University Soil Laboratory between 1991 and 2001."

"April 2009."

Includes bibliographical references (p. 19).

Also available via the World Wide Web.