Group 1 - The use of drones for transporting organic fertilizer has significantly improved efficiency for tea farmers in the Longwu area of Xihu District, reducing the time required for fertilization from over three hours to about half an hour per acre [1] - Drones can carry approximately 65 kilograms of rapeseed cake per trip, with a maximum daily transport capacity of 7.5 tons, benefiting over a hundred local farmers [1] - The local government supports tea farmers by providing rapeseed cake organic fertilizer for free, which is a byproduct of oil extraction and is beneficial for soil improvement and tea quality enhancement [1] Group 2 - The Xihu District Agricultural and Rural Bureau has implemented resource subsidies for tea gardens, distributing an estimated 1,183 tons of rapeseed cake this year to tea farmers in the area [2] - Additional initiatives include the installation of eco-friendly pest control lights and the use of drones for pest management, contributing to the overall ecological tea garden development [2] - The fertilization process is timed to coincide with the peak growth period of tea tree roots in autumn, after which the tea gardens will officially close for the season [2]