Chempak Vegetable Fertiliser - An all-purpose fertiliser with four phases of nitrogen release. Chempak Vegetable Fertiliser steadily releases nitrogen, potash and phosphates over a period of time to provide your plants with all the essential nutrients they need throughout the growing season. (N:P:K - 15:3:20) Supplied as 12 x 1kg packs. How to use: For best results use anytime, anywhere in the garden or greenhouse. Spring Base Dressing - Ideally apply to the soil about 2 weeks before sowing or planting out to build up the nutrient level in your soil and feed your plants for 3 months. Use 60-90g per sq m (2-3oz per sq yd) for general purposes, but for exhibition vegetables, apply 120-180g per sq m (4-6oz per sq yd). Spring Top Dressing - To benefit and feed new growth into summer of established fruit apply 30-60g per sq m (1-2oz per sq yd) of root area and lightly fork into the soil. Also suitable for shrubs and roses. Summer Top Dressing - Vigorous growing fruit and vegetables will app