TY  - BOOK
AU  - GEORGE JOSEPH 
AU  - Dr.N.SAIFUDEEN 
TI  - BEHAVIOUR OF POTASSIUM IN SELECTED SOIL SERIES OF THIRUVANANTHAPURAM DISTRICT 
U1  - E N93 GE 94  
PY  - 1993///
CY  - COLLEGE OF AGRICULTURE VELLAYANI 
PB  - DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 
ER  -