APA

Karthikakuttyamma M, Aiyer R.S, George V, Prasannakumari P & Suresh P.R. (1998). Effect of continuous cultivation of rubber (Hevea brasiliensis) on morphological features and organic carbon, total nitrogen, phosphorous and potassium contents of soil. : Indian Journal of Natural Rubber Research.

Chicago

Karthikakuttyamma M, Aiyer R.S, George V, Prasannakumari P and Suresh P.R. 1998. Effect of continuous cultivation of rubber (Hevea brasiliensis) on morphological features and organic carbon, total nitrogen, phosphorous and potassium contents of soil. : Indian Journal of Natural Rubber Research.

Harvard

Karthikakuttyamma M, Aiyer R.S, George V, Prasannakumari P and Suresh P.R. (1998). Effect of continuous cultivation of rubber (Hevea brasiliensis) on morphological features and organic carbon, total nitrogen, phosphorous and potassium contents of soil. : Indian Journal of Natural Rubber Research.

MLA

Karthikakuttyamma M, Aiyer R.S, George V, Prasannakumari P and Suresh P.R. Effect of continuous cultivation of rubber (Hevea brasiliensis) on morphological features and organic carbon, total nitrogen, phosphorous and potassium contents of soil. : Indian Journal of Natural Rubber Research. 1998.