Brunnings Sulphate of Ammonia is a rich nitrogen fertiliser which encourages and stimulates leaf growth in all plants and especially leaf crop vegetables and lawns. Sulphate of Ammonia is fast acting and may be applied dry or in soluble form for a more even result on lawns. It is also effective for most plants with yellow-leaf symptoms. Fast acting. Promotes healthy leaf growth, greening & citrus tree development. Ideal for lettuce, cabbage, onions, tall trees, bananas, palms, and lawns. Acidifies alkaline soils & rectifies nitrogen deficiency. Can be applied dry or in soluble form for a more even result on lawns. It is also effective for most plants with yellow-leaf symptoms.