Kieserite, agriculture fertilizer Magnesium Sulphate Fertilizer Granular Regularly exporting with reasonable price Product nameSynonymsMolecular ... max5% max90% minKieserite is a kind of multi-nutrition fertilizer witch contains MgSO4 and K2O. It can promote photosynthesis of ... 30% to tree, rubber tree, palm date tree, pineapple tree, banana tree, sugar-cane, peanut, soybean, sweet potato, potato, rice ...