Effect of continuous application of nitrogenous fertilizer on sulphur status of soil - George E.S.; Jayasree K.C.; Karthikakuttyamma M.; Mathew M. (Proceedings of the National Seminar on Sulphur in Agriculture, 1989, Bangalore, India, pp. 57-62., 1989)
Keywords: Nitrogenous fertilizer; Soil sulphur