SINGH, S.R. et al. 2026. Optimising electrical conductivity, pH and cultivar selection to enhance yield and nutritional quality of hydroponic lettuce (Lactuca sativa)in subtropical environments. The Indian Journal of Agricultural Sciences. 96, 2 (Feb. 2026), 170–176. DOI:https://doi.org/10.56093/ijas.v96i02.169868.