TY  - BOOK
AU  - P P Joy
AU  -  G V Havanagi  Agronomy
TI  - Effect of different levels of nitrogen, phosphorus and azolla (Azolla Pinnata R. Br.) ON Azolla-Rice (Oryza sativa L.) Productiv
U1  - 630 
PY  - 1984///
CY  - Bangalore
PB  - University of Agricultural Sciences, Bangalore
ER  -