TY  - BOOK
AU  - Karthikakuttyamma M.
AU  - Aiyer R.S.
AU  - George V.
AU  - Suresh P.R.
TI  - Effect of continuous cultivation of rubber (Hevea brasiliensis) in total and available nitrogen status of soil
PY  - 1996///
PB  - Proceedings of the Eighth Kerala Science Congress, January 1996, Kochi, India, pp. 80-82.
KW  - Available nitrogen
KW  - Rubber cultivation
ER  -