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"We've worked with everything from soft fruit to salad greens, clearing beds and keeping crops out of the compost heap," said Holtam.

Opossums, raccoons, rats and mice all like to feast on the soft fruit and can climb the tree to get it.

When applied to the surface of a prosthetic arm or a robotic limb, the sensor skin provides touch sensitivity and dexterity, enabling tasks that can be difficult for machines such as picking up a piece of soft fruit.

Last year, an estimated £36m worth of soft fruit was wasted, against total production of £760m, the BBG says.

Getting enough workers for the summer season is always a challenge, but this year, with the soft fruit season just about to hit its peak, many growers say they're more worried than they've ever been that there won't be enough pickers.