We have a range of top-up fertilisers for soils which lack nitrogen, potassium or sulphur. Our top-up fertilisers have a high content of hygroscopic nitrogen, so we recommend that you use these products straight away.

NS range These solid fertilisers are available in different ratios to suit any nitrogen or sulphur top-up requirements.

NK range This range of nitrogen and potassium granule fertilisers is ideal for any type of soil that needs a top-up of these nutrients.

NKS range The NKS range provides the ideal balance of nitrogen, sulphur and potassium to suit any top-up requirements.

GranNS This fertiliser comes in 2-4mm granules, which are easy to spread, and distribute nutrients more effectively. It’s also more convenient to store and handle than crystalline Sulphate of Ammonia.