Double disc maximises germination

Many benefits to using double disc system

Local Business Feature
According to a company spokesman, John Shearer's disc drill, featuring a double disc set up, is maximising germination.

According to a company spokesman, John Shearer's disc drill, featuring a double disc set up, is maximising germination.

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Precision Sowing equipment ensures top performance

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The John Shearer disc drill maximises germination, according to a company spokesman.

The benefits of a double disc include, more uniform seeding depth, reduction of draft forces, trash handling ability, reduce soil disturbance at faster sowing speeds.

In some cases disc openers are more suitable than tynes when sowing into rocky conditions.

Sowing with a double disc opener leaves smoother soil profile and will assist in reducing water runoff.

 An easy to use spring pin to lock the press arm into place is used to control the depth and provides six-milimetre increments over 50mm travel.

The spring loaded opener, has a mechanical screw assembly to easily adjust the mainspring to decrease or increase pressure for both opening coulters and the press wheel.

Downward force can be increased to help cut trough stubble residue and, in drier conditions, penetrate the soil for good seed placement.

The spring breakout pressure can be adjusted up to 182 kilograms (400lbs) and the unit has 254mm (10in) of vertical ground following capability.

For the hydraulic version, pressure is adjusted on the go from the tractor seat to suit soil types and conditions.

A pressure gauge fitted into the system, allows the operator to monitor the down pressure.

John Shearer opener is well built to perform in many different soil types and conditions.

It’s compact design means that the press wheel is much closer to the sowing boot than most others on the market with remarkable benefits in terms of uniform seeding depth.

The opener is a true parallelogram based around two carriers.

The mounting carrier which attaches the unit to either a square or diamond mounting frame and the main carrier on which the ground engaging coulters, (or optional tyne) and press wheel are attached.

The hydraulic version of the double disc opener features a spring return mechanism for transport.

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