TY  - BOOK
AU  - Krishnakumar A.K.
AU  - Karthikakuttyamma M.
AU  - Mathew M.
TI  - Rock phosphate as a source of fertilizer for rubber: A review
PY  - 1986///
PB  - Proceedings of the National Seminar on Rock Phosphate in Agriculture, 1986, Tamil Nadu Agricultural University, Coimbatore, India, pp. 229-232.
KW  - Fertilizer
KW  - Rock phosphate
ER  -