Want to increase yield?

Achieve better yields as a result of evenly distributed spreading patterns with granular AN

Tom Holt
Senior Expert with over 15 years of experience in the fertilizer industry

Prilled AN or Granular AN? What insures better spreading & yield?

We wanted to find out what the best fertilizer type for the UK farming landscape, so we reached out to SCS to get an expert view. Watch the video now to see what we learned.

Are you an expert On Coeffcient of Variation?


An excellent CV is less than 10%

More yield with even spreading quality

The effects of an uneven fertilizer application cannot always be recognized and remain undetected. A deviations of up to 25% are not always visible resulting in yield losses.

A spreading unevenness of more than 30% leads to lodging of cereals and an average yield loss of 1 ton per hectare or more.

Only very high deviations are seen as dark and light stripes in the field, but the negative consequences start much earlier. Poor application not only affects crop yield and quality it also has environmental impacts.

Always refer to your spreader manufactures data base prior application to ensure you have the correct calibrations.

Further consequences of uneven spreading

• lower, uneven quality (protein and oil content)
• higher risk for deficiencies
• lower yield
• higher costs for drying
• increased environmental impact through overfertilization

With Borealis L.A.T fertilizers you get an even spreading pattern. How to receive it? Contact our Senior Expert.

Beyond 36m

Up to 25km/h

More than 19 days

Beyond 36m

Compared to prilled products, Granular AN from Borealis L.A.T offers a better coefficient of variation (CV) at all spreading widths and at all wind speeds. In windy conditions prilled AN cannot be spread up to 36m with a correct CV and uneven spreading will lead to yield loss. At 36m, only Granular AN offers a good CV even in windy weather.

Up to 25km/h

At 25 km/h crosswinds the tests show that Granular AN 33.5 still maintains a good spreading pattern and a correct CV, unlike the prilled products. This unique benefit of Granular AN is giving the farmers confidence to go out spreading while achieving good results.

More than 19 days

3 times more days of applications in the spreading season is only assured by Granular AN 33.5. UK weather makes the farmers work schedule hard to maintain consistently. During the high season there are only 6 days with wind speeds below 15km/h, but with Granular AN farmers can spread confidently an additional 13 days when the wind speed is up to 25 km/h.