Mineral rich fertilizer is applied to plants in order to either prevent or correct mineral deficiency. Magnesium Sulphate fertilizer is ideal for preventing or correcting deficiency of magnesium. The deficiency of magnesium can lead to poor growth of plants. As this fertilizer is used, it not only enhances the greening of leaves, but also promotes healthy plant growth. Other than magnesium, sulphur is also supplied to the plant.