TY  - GEN
AU  - Sairam,R.K.
TI  - Studies on photosynthesis and nitrate assimilation in sunflower  (Helianthus annuus L.)
KW  - Photosynthesis
KW  - Nitrates
KW  - Helianthus
KW  - Annuus
KW  - Experimentation
KW  - Varieties
KW  - Flowering
KW  - Roots
KW  - Pot culture
ER  -