... and liquid form Calcium amino acid chelatedRBchem Organic trace element fertilizer include :Amino Acid chelated with Trace Element ... -Ca5% 6% 10% 15%5% 6% 10% 13%5% 6% 10% 15%5% 6% 10% 13%5% 6% 10% 15%Part Three ... care about supplement chemical fertilizer like Urea ,NPK,for cropsAnd ignore trace element, however the ... ,empty shell,Tomato,pepper blossom-end rot,7.Boron:Roots death,Tea bud blight disease , ...