... seaweed extract IMO ISO9001 cert foliar or fertigation Seaweed Mn Zn Product character: Brown liquid, PH: 5-7, specific gravity: ... , Zn (EDTA): 50g/L, Mn(EDTA): 50g/LEfficacy: Promote chlorophyll and proteins synthesis, promote photosynthesis and nitrogen metabolism, prevent from stunting of ... /LZn (EDTA)50g/LMn(EDTA)50g/L Bio Organic Seaweed Mn Zn