Deficiency in two-thirds of UK soil


22 November 2021
Deficiency in two-thirds of UK soil

TWO thirds of UK soils are deficient in the key nutrients of phosphorus, potassium and magnesium, continuing a trend of almost 30 years, according to latest findings.

NRM has been gathering soil analysis data since 1995 and its recently-published 2020-2021 soil summary includes data from soil samples collected between June 2020 and May 2021, allowing growers and advisors to understand current nutrients status across the UK, to benchmark against other farms with up-to-date data, and consider how to improve soil health to optimise crop production. 

For the first time, NRM has also published consolidated data on soil carbon, following the launch earlier this year of its CarbonCheck service. With almost 1,500 farms sampled to date, early analysis of the data supports the idea that different types of farms and different soil management practices influence the amount of organic carbon within the soil. 

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"We’re using our summarised data to help farmers and their advisors understand more about soil carbon and which farming practices build carbon levels,’ said Alli Grundy, Agronomy Manager at NRM. ‘There is not only a productivity benefit to improving soil organic carbon, but also an environmental benefit. We will continue to add to the data as we sample more farms, which will enable us to paint an accurate picture of the soil carbon landscape across the country over time."

Developed by NRM following consultation with industry experts, agronomists, and government advisors, CarbonCheck measures organic carbon as part of a comprehensive analysis suite, providing a benchmark for carbon markets and enabling farmers to monitor their soil health.

"There are some fascinating trends already, and these truly demonstrate the importance of measuring soil carbon levels, for example, cultivated land generally contains lower carbon stocks and less organic matter because of the introduction of air into the soil as it is moved," Alli said.

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