TY - BOOK AU - George E S AU - Jayasree K C AU - Karthikakuttyamma M AU - Mathew M TI - Effect of continuous application of nitrogenous fertilizer on sulphur status of soil PY - 1989/// PB - Proceedings of the National Seminar on Sulphur in Agriculture, September 1989, Bangalore, pp. 57-63. ER -