The raw materials of this product is seaweed. After processed by Physical crushing, biochemical extraction, absorption concentration, film drying, etc, the seaweed is finally made to flake or powder. The seaweed extract has special quality, quick dissolution rate, high activity and good absorptivity. It has many functions including growth promoting, production increase, disease prevention, insect expelling, etc. Seaweed extract can be used for root irrigation, water flushing irrigation, foliar spray, etc. It can also be used as raw materials for biological fertilizer, compound fertilizer, organic fertilizer, etc.