Foliar Nano-Nitrogen and Nano-Potassium Integration Enhances Potato Productivity and Resource Efficiency in Semi-Arid India - Vishwanatha V. E.; Chitranjan Kumar; K. D. Lamani; Rajath H. P.; Bhanuprakash H. R.; Girish Kumar Killada; Vidyashree B. S.; Sumanth Kumar G. V. (Potato Research, 2026)