... place, far away from heat, avoid insolation, sign with no moisture and no insolation When ammonium sulphate in the transportation and outdoor ... soil, Therefore should pay attention to use in acidic soils with alkalinefertilizer, such as plant ash, phosphate rock powder or ... soil alkaline soils, in orderto prevent calcium ion combined with sulfate ion to insoluble calcium sulfate(gypsum), caused by ...