... , refined from natural seaweed . specification: powder, flake, solution Seaweed fertilizer /seaweed extract (manufactuer)Seaweed fertilizer (powder ,flake) and seaweed fertilizer solutionOur seaweed fertilizer are finely derived ... (Cu, Fe, Zn, Mn, B), alginic acid, cytokinin, betaine, mannitol, polysaccharide, iodine and so on.Applicable: 1. vegetable 2. tomato 3 ...