Farmroot NPK 15-8-35 ULTRA PLUS Water Soluble Fertilizers : This is an organic manure made from scientifically converting agro-industrial by-products through a biotechnological process. Use this organic manure to get 100% organic products for your plants' healthy growth and capable of providing the required vital nutrients to the plants. So it improves the soil's quality and its fertility. The Process is done using various species of worms, to create a mixture of decomposing vegetable or food waste.