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Copy link NPK and compound fertilisers are the backbone of modern crop nutrition, supplying the essential macronutrients nitrogen (N), phosphorus (P) and potassium (K) in balanced, predictable ratios that match crop demand. Compound fertilisers go a step further by delivering multiple nutrients in every granule, ensuring uniform distribution and consistent nutrition across the field.
Below is a clear, agronomically robust overview of what they are, how they’re used, their benefits, and a detailed breakdown of the ICL portfolio across granular NPKs, compound fertilisers, Polysulphate‑enhanced ranges, and water‑soluble Nova products.
What are NPK & Compound Fertilisers
NPK fertilisers contain the three primary nutrients required for plant growth:
- Nitrogen – drives vegetative growth and chlorophyll formation
- Phosphorus – essential for rooting, establishment, energy transfer
- Potassium – improves water regulation, stress tolerance, yield and quality
Compound fertilisers differ from simple blends because each granule contains all nutrients, ensuring even nutrient distribution and preventing segregation during spreading.
How are NPK and Compound Fertilisers used?
Farmers apply NPK and compound fertilisers to:
- Build soil fertility before planting
- Support establishment with P‑rich starters
- Drive canopy growth with N‑forward formulas
- Improve fruiting and quality using K‑rich grades
- Correct nutrient deficiencies in-season
- Feed crops via fertigation using water‑soluble NPKs
Application methods include broadcast spreading, band placement, bed application, fertigation, and controlled‑release placement depending on crop, soil, and system.
What are the Benefits of NPK and Compound Fertilisers
- Balanced nutrition in every granule → uniform crop growth and reduced patchiness
- Higher nutrient use efficiency → less leaching, volatilisation, and fixation
- Improved yield and quality → especially when K and S are optimised
- Lower carbon footprint when using high‑quality raw materials and Polysulphate‑based compounds
- Extended nutrient availability in Polysulphate‑enhanced and controlled‑release products
- Temperature‑regulated nutrient release in coated compound NPKs using ICL’s Resin Release Technology
Digital Tools
Access calculators to improve nutrient management and boost productivity
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Nutrients, yield and the environment: you're in control with Agromaster®
Stay in control of your environment, crop yields, and nutrients with Agromaster.
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Add up the benefits with FertilizerpluS.
ICL FertilizerpluS products contain multiple nutrients that enable farmers to maximise their nutrient use efficiency. Reducing greenhouse gases and producing more food with less inputs is the major challenge facing UK farmers over the next decade. This means increasing nutrient use efficiency and ensuring crops have an adequate supply of all the nutrients they need that are essential to optimise yields. Increasingly farmers will need to focus on making the most efficient use of nutrients for both arable and grassland production. That means making the most of nutrients in the soil through regular soil testing, as well as those applied as fertilisers or manures.
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Give your crops the power of phosphate
ICL PhosphatepluS is a high quality granular fertiliser combining the benefits of triplesuperphosphate (GTSP) and Polysulphate into a single granule. PhosphatepluS supplies your crop with five essential nutrients in every granule, helping to increase the efficiency of your phosphate application and boost crop establishment and root growth. PhosphatepluS is a highly effective starter fertiliser that is suitable to be used in direct drilling or can spread up to 36 metres. Trials show that applying some potash, sulphur calcium and magnesium together with phosphate at planting, increases nutrient uptake and establishment.
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Granular potassium fertiliser combining Polysulphate and potash for improved performance
ICL PotashpluS puts the power of Polysulphate technology to work
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PK premium granulated fertilisers featuring Polysulphate
ICL PKpluS is your five-in-one solution for high-performance nutrition.
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Superior potash fertilisers
Potash (potassium chloride, or KCl), an essential nutrient for crop nutrition, is the most highly valued and widely used potassium fertiliser in the world, delivering the nutrient to the crop efficiently. ICL’s potash is a superb source of potassium, produced at our environmentally friendly production sites. Our unique Dead Sea production site uses a natural evaporation process to produce potash. This natural process enables us to manufacture premium, high-quality potash fertilisers with a significantly lower carbon footprint than alternative products. In addition, ICL’s professional agronomic and technical teams are on hand to provide our customers with advice and support to ensure optimum potassium nutrition.
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