Fertiliser calculators

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

Nitrate vs Urea NS vs Straight N Compound vs Blend CN vs CAN Wheat N Response Value of Grass

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

8 kg P /ha

Amount of potassium applied

16 kg K /ha

Amount of sulphur applied

9 kg S /ha

Cost of fertiliser applied

287 € /ha

Expected crop yield

10 t/ha

Yield loss

0 t/ha

Actual crop yield

10 t/ha

Crop value

2450 €/ha

Margin over fertiliser ?

2163 €/ha

Best Option

Blended Fertiliser

Amount of fertiliser applied

900 kg /ha

Amount of nitrogen applied

225 kg N /ha

Amount of phosphorus applied

16 kg P /ha

Amount of potassium applied

16 kg K /ha

Amount of sulphur applied

0 kg S /ha

Cost of fertiliser applied

300 € /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

2328 €/ha

Margin over fertiliser ?

2028 €/ha

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

411 €/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
16-6.6-12.4 + 2.6% S - Granular fertiliser often used for grasland, winter cereals and oilseed rape to supply phosphate and potash together with nitrogen and sulphur.
YaraMila EXTRAGRASS
27-2.2-4.2 + 2.4% S - Compound granular NPKS fertiliser ideally suited to little and often application for Spring/Summer application to grassland for index maintenance and high recovery growth rates.
YaraMila SUPER BOOSTER
25-2.2-4.2 + 2%S + Na and Se - Compound prilled NPKS fertiliser with sodium selenate for use on grassland to supplement selenium levels.

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.
Carrots in a field
Maximising your vegetable crops’ potential with foliar nutrition
With the amount of rainfall we've had, a lot of the nutrients in the soil will potentially have leached away.
Agronomist in a field using a N-Tester
Spring 2024 Nutrition Management
There’s no getting away from the wet conditions many have faced this autumn and winter. We can now try and manage some of the issues this has caused via a robust spring nutrition strategy with the following steps
Agronomist and farmer in a field using a n-tester BT
Embrace Digital Tools to Improve Precision
No matter what industry you’re in, technology can be a game-changer. Our ancestors would be amazed at the tools we can use today to improve farming outcomes.
Farmer on a potato field
Establishing potatoes successfully
As with any other crop, good nutrition is key to securing a healthy potato crop, one that will return good yield and high quality and ultimately achieve a better profit margin for you.
Farmer fields in Scotland
Micronutrients: Micro but Mighty
Don’t be fooled by the name - micronutrients are NOT unimportant, we just need less of them than the macronutrients to achieve the best results.
Spreader on a field
Greater returns from first cut silage crops
Slurry applications in spring can make up most if not all of the NPK requirements of a 1st cut, so it’s important to do your sums before deciding on the rate and type of fertiliser needed in March.
Looking for something else ? Check our full advice archive