The Fourth major nutrient
By: The Sulphur Institute.
Contributors: Sulphur Institute.
Publisher: The Institute
Published: 1982
Place of publication: Washington, DC
Language: eng
Format: Slide
Number of pages: 48
Subjects: Plants, Effect of sulphur on.; Soils -- Sulphur content.
Description: Describes the role and importance of sulphur as a plant nutrient.  Shows the effects of insufficient sulphur on crops, the responses that are obtained by adding sulphur, and discusses the types of sulphur-containing fertilizers.
Notes: Intended audience: Agricultural advisers and fertilizer dealers.

Accompanied by book of the same title (32 p. : ill. ; 28 x 22 cm.).