Summary of soil fertility levels for North Dakota, 1982-1991
By: W.C. Dahnke ... [et al.].
Series: Experiment Station bulletin -- no. 525; Bulletin (North Dakota Agricultural Experiment Station (Fargo)) -- no. 525
Publisher: Agricultural Experiment Station
Published: 1992
Place of publication: Fargo, N.D.
Language: eng
Number of pages: 19
Subjects: Soil fertility; Soils; Nitrogen content; Phosphorus content; Potassium content
Notes: Cover title.

"July 1992."

Includes bibliographical references (p. 19).