Nitrogen, phosphorus, potassium, sulphur
Subtitle: answers to your questions, a producer's version
By: editors Con A. Campbell ... [et al.].
Contributors: Campbell, C. A. 1934-; Canada. Agriculture and Agri-Food Canada. Research Station (Swift Current, Sask.)
Publisher: Agriculture and Agri-Food Canada, Research Station
Published: 1994
Place of publication: Swift Current, SK
Language: eng
Number of pages: 48
Subjects: Fertilizers -- Canada.; Nitrogen fertilizers -- Canada.; Potassium fertilizers -- Canada.; Sulphur fertilizers -- Canada.
Notes: Includes bibliographical references.
Cover title.
Publisher from label on p. [2] of cover.