Neetu; Hoshiyar, S.; Shobhana, B.; Shambhu, C.; Shubham, C. S.; Priyanka, S.; Sapna, J.; Ajaz, A. L. Hydrogel-Mediated Effects on Nutrient Content and NPK Uptake in Barley (Hordeum Vulgare L.) under Varying Fertiliser and Irrigation Regimes. Plant Sci. Today 2026, 13.