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The Determination of Available Sulfur in Soils
Author(s) -
Kilmer Victor J.,
Nearpass D. C.
Publication year - 1960
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1960.03615995002400050011x
Subject(s) - sulfur , soil water , environmental chemistry , chemistry , sulfur cycle , environmental science , mineralogy , soil science , organic chemistry
Abstract A laboratory procedure was sought which would determine available sulfur in soils. As finally evolved, the method consists of extracting the sulfur with 0.5 M NaHCO 3 at pH 8.5 and determining sulfur in the extract by the Johnson‐Nishita procedure. Sulfur determined in this manner correlated very well with sulfur “A” values, an “r” value of 0.89 being obtained for 30 surface soils. Soils having < 10 ppm. S as determined by the proposed procedure generally responded to applications of sulfur.