TY  - BOOK
AU  - Mohanan V.
TI  - Studies on fertility status of rubber growing soils of Palakkad district
PY  - 1991///
PB  - Dissertation, PG Diploma in Natural Rubber Production, Kerala Agricultural University, Trichur, India, 16 p.
KW  - Fertility status
KW  - Rubber growing soil
ER  -