PLEASE NOTE BAGS UNDER 20KG ARE SOLD IN WHITE/CLEAR BAGS. Ivisons Pre-Seed NPK 6-9-6 Fertiliser Regular Lawn Feed Contains: 6% Nitrogen 9% Phosphorus 6% Potassium Oxide Why Choose Ivisons Pre-Seed Fertiliser? ---NPK 6-9-6 Pre Seed Fertiliser is the go to choice for putting down any new lawn or turf. ---It will help newly laid seed grow and give them the boost they need. ---It is especially good when used on thin or low nutrient soil. ---Its high Phosphorus content not only aids seed germination but also improves root development. ---It is also excellent when applied as a lawn tonic throughout the growing season. Sowing Guidelines: ---Spread 3-5 days before sowing grass seed. ---Using Ivisons Pre-Seed Fertiliser before turfing or seeding is a great way of ensuring that your new lawn gets off to the best possible start.