Determination of sulphur in soils and plant material /
by James D. Beaton, George R. Burns, Jan Platou.
- Washington, D. C. : Sulphur Institute, 1968.
- 56 p.
- Technical bulletin ; no. 14 .
- Technical bulletin (Sulphur Institute) ; no. 14 .
Soils--Sulphur content. Plants, Effect of sulphur on.