TY - BOOK AU - George Elsie S. AU - Karthikakuttyamma M. AU - Nair N. Usha TI - Phosphorus - sulphur interaction effects on early buddability and nutrient uptake by rubber seedlings PY - 2008/// PB - 73rd Annual Convention Proceedings of the Indian Society of Soil Science, 27-30 November 2008, University of Agricultural Sciences, Bangalore, pp. 192. ER -