Where onion marketable yield is really gained or lost
Conocimiento
For commercial onion growers, profitability is determined less by total tonnage and more by how much of the crop reaches marketable grades.
Two crops can produce similar overall yield but deliver very different financial outcomes depending on bulb size distribution, pack-out performance and the percentage of onions falling within target grades.
This is where margin is gained or lost.
Marketable yield determines crop value
In commercial onion production, onions are graded by size, typically across the 50 to 60 mm, 60 to 70 mm, 70 to 80 mm and 80+ mm categories.
What matters commercially is not simply producing more onions, but producing a greater proportion within the grades that deliver the highest saleable output.
Where a higher percentage of bulbs reach target marketable grades:
- pack-out performance improves
- harvest efficiency improves
- storage value increases
- overall crop returns strengthen
Where crops develop unevenly, growers often see a wider spread of bulb sizes, reducing the proportion of onions reaching target grades and lowering the final value of the crop.
Consistency drives commercial performance
This is why marketable yield is a more meaningful measure of crop performance than total tonnage alone.
Commercial field assessments focus on marketable grades because these are the grades that determine final return per hectare.
Across larger onion programmes, even relatively small improvements in grade distribution can materially affect overall margin and storage performance.
Growers are increasingly focusing on crop consistency, establishment and uniform development to improve the proportion of onions reaching target grades at harvest.
Programmes designed to support stronger establishment and more even crop development are being used to improve marketable output and grading consistency across commercial onion crops.
Commercial field results continue to reinforce this trend
Replicated commercial onion field data from UK grower programmes has consistently shown improvements in marketable yield grades where Maxstim Agriculture+ and Cynosa™ protocols were used within structured crop programmes.
The results were clear.
Commercial performance improved not simply through total yield increases, but through a greater proportion of onions reaching saleable grades and contributing to stronger crop value.
For growers focused on margin, storage performance and pack-out consistency, marketable yield remains one of the most commercially important measures in onion production.
As more growers focus on improving grading consistency across larger cropped areas, the emphasis is increasingly shifting from simply increasing yield to improving saleable output across the whole farm.
Want to improve marketable onion yield and crop consistency? Speak to the Maxstim team.
Tim Cannon
Correo electrónico: tim.cannon@maxstim.com
Móvil: 07884 586191
Phil Kingsmill
Correo electrónico: phil.kingsmill@maxstim.com
Móvil: 07860 269996
Leanne Taylor
Email: leanne.taylor@maxstim.com
Mobile: 07552 097554
Tony Kelly
Correo electrónico: tony.kelly@maxstim.com
Móvil: 07974 435417
