APA
K.V. Ravishankar, R. Uma Shankar Department of Crop Physiology, . (1990). Drought tolerance studies in sunflower (Helianthus annuus L.): Field evaluation of sunflower germplasm for relative drought resi. Bangalore: University of Agricultural Sciences, Bangalor.
Chicago
K.V. Ravishankar, R. Uma Shankar Department of Crop Physiology, . 1990. Drought tolerance studies in sunflower (Helianthus annuus L.): Field evaluation of sunflower germplasm for relative drought resi. Bangalore: University of Agricultural Sciences, Bangalor.
Harvard
K.V. Ravishankar, R. Uma Shankar Department of Crop Physiology, . (1990). Drought tolerance studies in sunflower (Helianthus annuus L.): Field evaluation of sunflower germplasm for relative drought resi. Bangalore: University of Agricultural Sciences, Bangalor.
MLA
K.V. Ravishankar, R. Uma Shankar Department of Crop Physiology, . Drought tolerance studies in sunflower (Helianthus annuus L.): Field evaluation of sunflower germplasm for relative drought resi. Bangalore: University of Agricultural Sciences, Bangalor. 1990.