Fertiliser calculators

A useful collection of calculators to compare the return on investment and margin over fertiliser when using different fertilisers.

Wheat N Response S Barley N ResponseValue of Grass Nitrate vs Urea NS vs Straight N Compound vs Blend Tropicote Benefit

Compound vs Blend comparison

How much cheaper does a blended fertiliser need to be to achieve the same margin as a compound fertiliser?

Compound vs Blend calculator

To begin please enter the required values

Yara Compound Fertiliser

Nutrient content (%)

Blended Fertiliser

Nutrient content (%)

Crop Details

Typical yield losses from using a blend instead of a compound fertiliser


Recent development work carried out by Yara investigated the segregation of nutrients that occurs as the hopper discharges during application. It was found that using inferior quality blended fertiliser led to yield reductions of up to 5% due to poor distribution of nutrients. Read more

Your results

 

Best Option

Compound Fertiliser

Amount of fertiliser applied

833 kg /ha

Amount of nitrogen applied

225 kg N /ha

Amount of phosphorus applied

42 kg P2O5 /ha

Amount of potassium applied

42 kg K2O /ha

Amount of sulphur applied

42 kg SO3 /ha

Cost of fertiliser applied

282 £ /ha

Expected crop yield

10 t/ha

Yield loss

0 t/ha

Actual crop yield

10 t/ha

Crop value

1650 £/ha

Margin over fertiliser ?

1368 £/ha

Best Option

Blended Fertiliser

Amount of fertiliser applied

900 kg /ha

Amount of nitrogen applied

225 kg N /ha

Amount of phosphorus applied

36 kg P2O5 /ha

Amount of potassium applied

36 kg K2O /ha

Amount of sulphur applied

45 kg SO3 /ha

Cost of fertiliser applied

270 £ /ha

Expected crop yield

10 t/ha

Yield loss due to blend

0.2 t/ha

Actual crop yield

9.8 t/ha

Crop value

1617 £/ha

Margin over fertiliser ?

1347 £/ha

To achieve the same margin as the compound fertiliser the price of blended fertiliser would need to be

276 £/t
results empty

Please enter the required values

Recommended compound fertilisers

The following YaraMila compound NPKS fertilisers are recommended for all crops and contain nitrogen, phosphate, potassium and sulphur in appropriate ratios.

YaraMila ACTYVA S
15.6-14.6-14.6+ 6.5 SO3 - Granular fertiliser often used for grassland, winter cereals and oilseed rape to supply phosphate and potash together with nitrogen and sulphur.
YaraMila 52 S
20.6-8.2-11.6 +6.5%SO3 - Compound NPKS fertiliser containing Nitrogen, Phosphate, Potash and Sulphur suitable for all crops.
YaraMila EXTRAGRASS
27-5-5 + 6% SO3 - Compound granular fertiliser with sulphur with the ideal ratio for grazed or mown swards to get the grass off to a good start early in the season.

Check out the latest agronomy advice

These articles will help you get even better results from your fertilisers, by keeping you up to date with the latest agronomy advice from the Yara agronomists. If you don't find the advice you are looking for try looking in our full advice archive.

Three people walking through a Scottish farm
Walk your Fields
Throughout April and into May we’ll be focusing on optimising grass growth to meet the demands of our grazing cows so that we can maximise grazed grass in the diet.
Wheat field
Help Late-Drilled Wheat Crops Catch Up
Did you know that up to 50% of wheat leaf samples show a deficiency in zinc,magnesium, copper and manganese?
Tractor on a field
Fertiliser application advice for first cut silage crops
Fertiliser applications for first cut silage have been really hampered by the weather since mid-March. This is a very worrying situation as these first cuts constitute a large part of next winters forage.
Looking for something else ? Check our full advice archive