L54 



Barrow, N. J. 1960a. The effects of varying the nitrogen, sulfur, and 

 phosphorus content of organic matter on its decomposition. Aust. 

 J. Agri. Res. 11:317-330. 



. 1960b. A comparison of the mineralization of nitrogen and 



of sulphur from decomposing organic materials. Aust. J. Asri. 

 Res. 11:960-969. 



. 1961. Studies on mineralization of sulphur frcm scil 



organic matter. Aust. J. Agri. Res. 12:306-319. 

 . 1967. Studies on extraction and on availability to plants 



of adsorbed plus soluble sulfate. Soil Sci. 104:242-249. 



Bartlett, F. D., and J. R. Neller. 1960. Turbidimetric determination 

 of sulfate sulfur in soil extracts. Soil Sci. 90:201-204. 



Beaton, I. D., D. W. Bixby, S. L. Tisdale, and J. S. Platou. 1974. 



Fertilizer sulphur — status and potential in the U. S. Tech. bul. 

 no. 21. The Sulphur Institute. Washington, D.C. 



Beaton, J. D. , G. R. Burns, and J. Platou. 1968. Determination of 

 sulphur in soils and plant material. Tech bul. no. 14. The 

 Sulphur Institute. Washington, D.C. 



Beaton, J. D. , S. L. Tisdale, and J. Platou. 1971. Crop responses 

 to sulphur in North America. Tech. bul. no. 18. The Sulphur 

 Institute. Washington, D.C. 



Berg, W. A., and G. W. Thomas. 1959. Anion elution patterns from 

 soils and soil clays. Soil Sci. Soc. Am. Proc. 23:348-350. 



Bettar.y, J. R. , S. Saggar, and J. W. B. Stewart. 1980. Comparison of 

 the amounts and forms of sulfur in soil organic matter fractions 

 after 65 years of cultivation. Soil Sci. Soc. Am. J. 44:70-74, 



Bettany, J. R. , J. W. b. Stewart, and E. H./dalstead. 1974. Assess- 

 ment of available soil sulphur in an 

 T.ent. Can. J. Soil Sci. 54:309-315. 



ment of available soil sulphur in an ^-'S growth chamber experi- 



Bettany, J. R. , J. W. B. Stewart, and S. Saggar. 1973. Sulfur frac- 

 tions and carbon, nitrogen, and sulfur relationships in grass- 

 land, forest, and associated transitional soils. Soil Sci. Soc. 

 Am. Proc. 37:915-918. 



1979. The nature and forms of sulfur in organic matter 



fractions of soils selected along an environmental gradient. 

 Soil Sci. Soc. Am. J. 43:981-985. 



Biederbeck, V. A. 1978. Soil organic sulfur and fertility, p 273- 

 310. In M. Schnitzer and S. U. Khan (ed.) Soil organic matter. 

 Elsevier Scientific Publishing Co. New York. 



