TY  - BOOK
AU  - K.Susan John
AU  -  C.S. Ravindran  James George
TI  - Long Term Fertilizer Experiments : Three Decades Experience in Cassava
U1  - 633.682 
PY  - 2005///
CY  - Kerala
PB  - Central Tuber Crops Research Institute (ICAR)
ER  -