The backpack fertilizer and sprayer machine is an efficient agricultural tool designed for fertilizing, spraying, and applying pesticides to crops. Its ergonomic design allows use to carry it comfortably, reducing labor inteity and enhancing operational flexibility. Equipped with adjustable nozzles, the device can modify the spray pattern according to different crops and pesticide types, euring even coverage. It combines liquid and powder fertilization, allowing nutrients to effectively penetrate the soil or plant surfaces. Additionally, the machine typically features a high-capacity tank, extending operational time and making it suitable for various terrai and weather conditio. It is widely used in orchards, vegetable farming, and other agricultural management tasks, improving crop yields while minimizing resource waste.