Brunnings Green Up Lawn Food is specifically formulated with nutrients to encourage greening and overall growth of healthy lawns. Contains NPK for growth and colour strong root growth and strength to aid in resistance against stress fungal attacks and to aid in overall healthy lawn growth. Contains Nitrogen for leaf growth and colour Phosphorus for strong root growthand Potassium for strength and to aid in resistance tostress and fungus disease.Results should be visible in 7 days.Superior coverage to most lawn foods.