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

Calcium nitrate vs Ammonium nitrate

What is the benefit of using Tropicote calcium nitrate rather than ammonium nitrate as a top dressing on potatoes or brassicas based on the increase in yield and quality?

Tropicote benefit calculator

To begin please enter the required values

Calcium Nitrate - YaraLiva Tropicote

Ammonium Nitrate - Prilled N

Crop Details

Yield and Quality

Increases from using Calcium Nitrate rather than Ammonium Nitrate as a top dressing.


Over the years Tropicote has shown consistent increases in overall yields of up to 10% on potatoes and up to 6% on brassicas


Typically growers using Tropicote find the increase in quality results in a higher percentage of Grade One produce.

Results

 

Best Option

Calcium Nitrate - YaraLiva Tropicote

Total marketable crop yield
61.2 t/ha
Marketable Class One yield
56.3 t/ha
Marketable Class Two yield
4.9 t/ha
Crop value
21,053 £/ha
Amount of fertiliser applied
516 kg /ha
Cost of fertiliser applied
129 £ /ha
Margin over fertiliser ?
20,924 £/ha

Best Option

Ammonium Nitrate - Prilled N

Total marketable crop yield
60 t/ha
Marketable Class One yield
54 t/ha
Marketable Class Two yield
6 t/ha
Crop value
20,400 £/ha
Amount of fertiliser applied
232 kg /ha
Cost of fertiliser applied
282 £ /ha
Margin over fertiliser ?
20,330 £/ha
The benefit from using Tropicote rather than ammonium nitrate
593 £/ha
Total
2,967 £/ crop area

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.