Recovery Organic Lawn Fertiliser by Viano utilises the effective ingredients of nitrogen 8, phosphate 6, potash 13 and magnesium 3 to accelerate plant growth This fertiliser also has a stimulant called Humifirst which triggers biological activity by attaching itself to particles of soil. Humifirst improves soil structure and helps it hold more nutrients and water This 20 KG bag covers 400m2 and is best applied from March-October Works on soil for 12 weeks Almost works immediately Perfect to use after drought, flooding or hard wear Gives lawns a strong colour even in winter months 3 month slow release Granular application