Performance Evaluation and Standardisation of Hexacopter Unmanned Aerial Vehicle (ANGRAU – Pushpak) Spraying in Managing Leafhoppers in Cotton By admin December 18, 2023 0 comment Performance Evaluation and Standardisation of Hexacopter Unmanned Aerial Vehicle (ANGRAU – Pushpak) Spraying in Managing Leafhoppers in Cotton Share: