... used for foliar fertilization3.transparent crystal1. Uses: in agriculture: mainly used in mixed fertilizer or directly used as fertilizer ... for rubber, palm trees ;2. In industries: used in tanning, porcelain, pigment, match, fireproof materials, Mg ... dyeing, medicine and food additives;3. Extensively used in food, pharmaceutical and animal remedy industries. ITEMSSpecialty gradesFine ...