New Lemken cultivator suited to large areas

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Lemken’s new Koralin hybrid cultivator is built to control weeds in large areas, even where straw stays in place

Lemken has extended its application range of cultivators with the introduction of a new hybrid cultivator to the Australian market.

The Koralin hybrid cultivator is available in 6.6 and 8.4 metre working widths and features a combination of discs and a tine frame with duckfoot sweep shares.


Lemken’s new hybrid cultivator is available in widths of 6.6 and 8.4 metres

Instead of being fixed to the frame, the tools on the Koralin have a rolling motion, which enables them to break up the soil more efficiently.

Two rows of vertically operating discs are arranged in front of horizontally operating tines to better break up the soil and cut organic remains.

The discs and tines cut into the soil ahead of the point and the edges of the duckfoot sweep shares, resulting in more penetration into the soil, less blockages, and less wear on the machine.

Lemken says the new system ensures the shares can last three times as long as other models, as well as avoiding the problems that rigid duckfoot cultivators face in dry conditions.

"The increasing restrictions in chemical pest control require machinery for controlling weeds with new tool combinations, to supplement previous procedures and secure the yield in farming," says Lemken.

"[The Koralin cultivator] gives reliable control of weeds even in large areas or where straw has not been removed."


The discs are designed to prevent soil compaction and promote drainage of surface water

The 510mm discs on the Koralin generate what Lemken describes as an ‘abrasive sub-soil profile’, preventing the share from forming a layer of compacted soil below and promoting the drainage of surface water by perforating the soil beneath the shares.

Fitted to leaf springs that are in turn fitted to the Heliodor compact disc harrow, the discs can improve the soil’s crumb structure during seedbed preparation in average to heavy conditions.

Symmetrical tines with duckfoot sweep shares are secured to the main frame by a spring overload device to improve lateral and height stability.

The tines with duckfoot sweep shares feature a 35cm cut and are situated 30cm apart across three rows, overlapping each other by 2.5cm.

Operating at working depths of 2–10cm, the duckfoot sweep share can cut the roots of weeds or catch crop like a knife.

A depth guidance system is also fitted to provide increased stability in the device, while its support and transport wheels help ensure accurate depth control, even on slopes.


A depth guidance system increases stability

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