... : powder, flake, solution Seaweed fertilizer (manufactuer)Seaweed fertilizer (powder ,flake) and seaweed fertilizer solutionOur seaweed fertilizer are finely derived from brown seaweed ... kinds of nutrition element and plant growth regulators including nitrogen, phosphate, potassium, calcium, magnesium, microelement (Cu, Fe, Zn, ... water into the soil. growing agent seaweed fertilizer, seaweed extract