Quality balanced lawn feed Contains NPK with iron to give a healthy green lawn Easy to dilute liquid formula Convenient 1 litre bottle 1 litre treats approximately 25m² Doff’s All Year Lawn Feed is a top quality liquid lawn feed containing Nitrogen, Phosphorus, Potassium and Iron – all the essential elements for good plant growth. It is formulated in a ratio specifically designed to fertilise grass and if used regularly will help maintain a healthy, green and lush looking lawn. One litre will treat up to 25 m² of lawn.