TY  - BOOK
AU  - Joseph M.[a]
AU  - Karthikakuttyamma M.
AU  - Mathew M.
TI  - Distribution of potassium in the major rubber growing soils of South India
PY  - 1990///
PB  - Indian Journal of Natural Rubber Research
KW  - Potassium
KW  - Rubber growing soil
KW  - Soil analysis
ER  -