TY  - BOOK
AU  - B Shivaram
AU  -  M Kumar Uday  Crop Physiology
TI  - Physiological reasons for variations in productivity in sunflower (Helianthus annuus L.) Genotypes under different plant populat
U1  - 630 
PY  - 1986///
CY  - Bangalore
PB  - University of Agricultural Sciences, Bangalore
ER  -