Vitax Sulphate of Ammonia 1.25kg A quick acting nitrogen fertiliser to encourage leafy growth A rapid acting source of nitrogen which promotes above ground growth and rich green foliage. Vitax Sulphate of Ammonia is especially beneficial for crops such as brassicas, lettuce, spinach, rhubarb, leeks and onions. An early feed gives flowering plants, shrubs and fruit a rapid boost Vitax Sulphate of Ammonia will quickly green up a tired lawn Available pack size: 1.25 kg Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.