Performance Evaluation and Standardisation of Hexacopter Unmanned Aerial Vehicle (ANGRAU – Pushpak) Spraying in Managing Leafhoppers in Cotton By admin November 7, 2023 0 comment Performance Evaluation and Standardisation of Hexacopter Unmanned Aerial Vehicle (ANGRAU – Pushpak) Spraying in Managing Leafhoppers in Cotton Share: