TY  - BOOK
AU  - K Sangaiah
AU  -  M A Singlachar  Agronomy
TI  - Effect of Azolla application on the growth and yield of rice ( Oryza Sativa L.) With different nitrogen levels in visweswarayya 
U1  - 630 
PY  - 1984///
CY  - Bangalore
PB  - University of Agricultural Sciences, Bangalore
ER  -