By incorporating a disc into a trailing shoe assembly, Slovenian firm Betec claims it can achieve far higher levels of penetration than a conventional setup.

This is because it cuts a slot down to the rooting zone – as deep as 8cm if required – giving an easy path for slurry to filter into the soil.

Even liquid that initially remains on the surface will apparently seep in just a short time after application.

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Each of these Hyber-Disc units is mounted on its own spring steel arm, which gives sufficient flex to follow contours, but exerting enough pressure to push the disc into the ground.

The trailing shoe element is hinged separately so that it skims neatly over the surface.

Weight is comparable to many regular trailing shoe systems, which allows the firm to offer it in a wide range of sizes from 6m to 24m.

It’s also suitable for mounting on tankers, umbilical setups and self-propelled machines.

The units are priced at £95 each and can be purchased via Storth in the UK. To get the best out of the system, Betec recommends using separated slurry.