Efficiency Analysis Of Unmanned Aerial Vehicle (UAV) Spraying For Potato Cultivation In The Hilly Region Of Uttarakhand. Int. J. Environ. Sci. [Internet]. 2025 May 23 [cited 2025 Sep. 18];11(6s):1237-44. Available from: http://theaspd.com/index.php/ijes/article/view/7644