This research demonstrates how to effectively grow King Oyster mushrooms in subtropical regions using agricultural waste materials. The study provides detailed guidelines for farmers to produce these nutritious mushrooms efficiently and economically. Impact on everyday life: – Provides a way to convert agricultural waste into valuable protein-rich food – Offers farmers a new income source through mushroom cultivation – Contributes to food security by producing nutritious, protein-rich mushrooms – Helps reduce air pollution by utilizing paddy straw that would otherwise be burned – Provides access to mushrooms with immune-enhancing properties