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N-Shield® Urea fertilisers protected by Limus®

Increase nitrogen use efficiency using the most effective urease inhibitor Limus® from BASF®


If you want to stop profits escaping choose N-Shield® fertilisers protected by Limus®


Urease Inhibitor Limus

N-Shield® fertilisers are protected by Limus®, a unique urease inhibitor, which offers a range of benefits to farmers.

The application of Limus® to Granular Urea minimises volatilisation and adheres with guidance in the government’s Code of Good Agricultural Practice for Reducing Ammonia Emissions.

DEFRA have welcomed and concluded with the proposed alternative approach that will be delivered through the Red Tractor farm assurance scheme and FACTS advisers from 2023.

The alternative approach will mean scheme members can:-

- only use untreated or unprotected urea fertilisers from 15th January to 31st March each year

- use urease inhibitor treated or protected urea fertilisers throughout the rest of the year

Diamond Fertilisers offer N-Shield® Granular Urea protected by Limus® from BASF.

A combination of two urease inhibitors that together block several types of urease enzymes, more than a single inhibitor

LIMUS is a mixture of

-75% NBPT (N-(n-butyl)-thiophosphoric-triamide

-25% NPPT (N-(n-propyl)-thiophosphoric-triamide

Nitrogen losses to the environment are significantly reduced, so more remains in the soil available for plants, which can therefore improve yields.

Limus® Nitrogen Management helps support optimal nitrogen availability for more consistent yields. The combination of two active ingredients (NBPT + NPPT) in Limus® brings higher crop yields than urea with NBPT as a stand-alone active ingredient.** With Limus®, the yield performance of urea is raised to the level of AN fertilisers.

1. Reduces ammonia emissions by 98%

2. Increases application timing flexibility

3. Improves yield by 5% compared to standard urea*

4. Raises performance to the level of AN

5. The only urease inhibitor which contains two actives (NBPT + NPPT) for optimal efficacy

6. Storage and Stability

7. Limus® is applied to quality Granular Urea in liquid form, which soaks into the granule, rather than coating it.

Talk to us today to find out more - 01652 652933.

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What makes Limus unique?

Urea is not readily plant available and first needs to be converted into ammonium. This is done by urease enzymes in the soil that bind to the urea. Without sufficient rainfall post application, the ammonium concentration around the urea granules increases, leading to a localised increase in the soil PH. This converts the ammonium to ammonia gas.

Urease enzymes are extracellular and ubiquitous in ths oil. Urease inhibitors temporarily bind to these enzymes, preventing the localised pH spike and reducing the losses of ammonia. However, different urease enzymes require different urease inhibitors. Limus is the only urease inhibitor available with two active ingredients (NBPT and NPPT) enabling it to bind to a wider range of urease enzymes and more effectively minimise losses.

Maximise your profit with Limus, proven to increase yield by 5% compared to standard Urea. We are proud to offer Diamond Fertilisers N-Shield Granular Urea protected by Limus® a unique urease inhibitor, available in bulk, 600kg or 1000kg big bags.

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Limus a unique urease inhibitor by BASF which raises performance of Granular Urea to the level of AN

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