TY  - BOOK
AU  - Vijayan, M. R.
AU  - Pisharody, T. N. P.
TI  - Mannum sasyaposhanavum - 1
PY  - 1971///
CY  - Thiruvananthapuram
PB  - Kbi
KW  - Agriculture
KW  - Soil & Plant Nutrition
ER  -