A natural blend of Reactive Phosphate Rock - Humic Acid - Seaweed - Vermicast and Paramagnetic Rock Dust. Contains 70 essential plant minerals - vitamins and natural growth hormones. It will help to improve soil structure and increase yield. This is the best general garden fertiliser we have ever used. N-1, P-5, K-3, Ca-20, Mg-3 plus Trace Minerals. use 2 tbsp per 10 small bulbs. Ideal for all plants - use 1-2 tbsp per plant. 500 gram bags.