Bulk blending fertilizer system include belt-scale-batching fertilizer blending line, floor batching fertilizer blending line, mini fertilizer batching and blending machine. Belt-scale-batching fertilizer blending line and floor batching fertilizer blending line are used for the batching, mixing and packaging of granular fertilizers. Floor batching fertilizer blending line is a piece of practical equipment developed by Beidou with automatic batching, automatic blending, and automatic packaging functions. Mini fertilizer batching and blending machine are more suitable for small-scale production by small manufacturers.