Written by Rachel Martin
An artificial intelligence system has used satellite data to forecast a reduction in UK winter-sown crops.
As a result, it’s expected that wheat, barley and oat yields could decrease by 12%, 5% and 5% respectively, compared to 2019.
Last Autumn parts of the UK saw twice the average seasonal rainfall. This was followed by some of the worst winter floods in memory.
Anecdotal evidence suggests drilling was delayed on many farms, especially in the north and Midlands resulting in a 61% reduction in winter crops.
Agri-tech firm Agrimetrics has developed artificial intelligence capable of identifying crops using only satellite observations.
This can be done as early in the year as April; however, accuracy increases as the season progresses and crops become more easily distinguishable.
Agrimetrics used their AI to calculate the proportion of winter crops currently growing in a sample of UK fields. They then compared this to levels from 2017 to 2019.
“We’ve discovered that there is 61% less winter wheat growing in the UK vs. last year,” said Prof. Richard Tiffin, Agrimetrics’ chief scientific officer. “And there was 45% less winter barley.”
Average differences in yields between winter and spring-sown crops were then used to estimate a difference in yield.
“A rough estimation would suggest that 2020’s wheat harvest will be 12% lower than in 2019,” added Prof. Tiffin. “Barley is likely to be down 5%.”
The firm was keen to emphasise that its calculation is based on a sample of fields and warned that AI is not 100% accurate, especially this early in the season.
However, a spokesman said he was “confident” that the trend observed is correct and that the AI is the most accurate currently available.
“These numbers are significant enough to impact the UK’s domestic food supply,” said Prof. Tiffin.
“80% of the grain used by UK millers comes from UK farms – and 95% of that is winter wheat. Millers are going to have to look to overseas suppliers, which isn’t ideal in the current climate.”
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