This carefully balanced, 100% organic fertiliser has been specially developed to promote the sustained growth of potato tubers. Its effect is to help increase the size of your potato harvests.Ideal for use with potato barrels and other planters, it is also recommended for use with other root vegetable crops.It should be applied as a top dressing at the time of plantingProvides an organic source of nutrients. Will help increase your potato harvest. Carefully balanced organic fertiliser. Also recommended for other vegetable crops. Apply when planting.