TY  - BOOK
AU  - B.R. Mamatha
AU  -  B. Shivaraj  Department of Agronomy
TI  - Influence of levels of fertilizer nitrogen, phosphorus and sulphur on growth and yield attributes of niger (Guizotia abyssinica 
U1  - 630 
PY  - 1990///
CY  - Bangalore
PB  - Universityof Agricultural Sciences, Bangalore
ER  -