Contribution of exchangeable aluminium to subsoil acidity in rubber growing tracts - Suresh P.R.; Augusthy A.; Karthikakuttyamma M.; Mathew; Pothen M. (Proceedings of the Sixth Kerala Science Congress, January 1994, Thiruvananthapuram, India, pp. 140-142, 1994)
Keywords: Aluminium toxicity; Rubber growing soil