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Rat-scaring laser trial to protect crops

A laser beam on a farmImage copyright
Life Laser Fence

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Laser light could scare unwanted visitors

High-powered laser light will be used to protect crops from pests in a trial funded by the European Commission.

Researchers at Liverpool John Moores University hope a “fence” of laser light will scare rats and other pests, proving an alternative to poison.

The technology will be trialled in Scotland, the Netherlands and Spain starting in November.

The National Farmers’ Union (NFU) said innovation was important to support the farming industry following Brexit.

The European Commission has contributed 1.7m euros ($1.85m, £1.5m) to support the research, the Register reports.

“The laser has already been produced,” Dr Alex Mason, project co-ordinator of the Life Laser Fence project, told the BBC.

“It’s a commercial product used in a number of situations – but we are looking at using it in agricultural situations, on a wider range of species.

Image copyright
Life Laser Fence

Image caption

Lasers are already used to repel birds

“It already works very well on birds. We hope it will work on rats, badgers, foxes and rabbits too.”

The Agrilaser Autonomic is sold as a device that repels birds, which “perceive the approaching laser beam as a physical danger” and fly away, according to the manufacturer.

The researchers hope it will work just as well on other unwanted animals, which can destroy crops, eat food meant for farm animals and can spread disease.

Controlling pests with poisons can lead to unintended victims such as birds being killed too, so the trial hopes to reduce crop damage in the trial areas by 50%, while reducing bird exposure to pesticide by 80%.

Dr Helen Ferrier, chief science adviser of the NFU, said: “Continuing support and funding of the agri-tech sector is vital in ensuring British science and innovation can reach more farm businesses.

“Agri-tech can enable the British farming industry to become more efficient, reduce our waste, provide tools to manage volatility and a fair, transparent and functioning supply chain.

“An agri-tech sector we can rely on is extremely important in the face of potential political and economic changes in the next five to 10 years which could severely impact the farming industry.”

Rat-scaring laser trial to protect crops

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