TY  - BOOK
AU  - OMANA.M
AU  - P.R.RAMASUBRAMONIAN
TI  - USE OF CHEAPER AND EFFICIENT SOURCES OF PHOSPHATIC FERTILIZER FOR COWPEA IN RICE FALLOWS 
U1  - E N86 OM 59 
PY  - 1986///
CY  - COLLEGE OF AGRICULTURE VELLAYANI 
PB  - DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 
ER  -