The Gear

Central Injection Agri tractor with slurry tank and effluent pond
Central Injection Agri fertilising farms with slurry
The Rotomax slurry injector from Central Injection Agri

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Central Injection Agri is in the business of turning a resource readily available on dairy farms,  into nutrient-rich fertiliser with a minimum negative impact on the environment.

Slurry Injector – Veen Huis Rotomax

To achieve effective slurry management, CIA Ltd locally acquired the Veen Huis Rotomax, which was imported in 2015 and has become a cornerstone of their operations.

The Rotomax features the Veen Huis Quantra Pump unit, capable of holding up to 11,000 liters of effluent, along with the Premium-Ject 1200 injector and a Rotomax hose reel that extends approximately 2.6 kilometers.

The Premium-Ject boasts a 12 mm width and is equipped with 60 individual discs. Each disc creates a small slot in the soil, while 60 tubes deliver effluent directly into these slots, facilitating efficient ground absorption.

Tom operates the Rotomax using a John Deere 7250R tractor equipped with RTK GPS, while the pump is powered by a Deutz Fahr 9340 TTV tractor. The injector and pump communicate via radio signals for seamless operation.

One of the advantages of this system is its impressive capacity, able to pump between 180,000 to 200,000 liters of slurry per hour without causing soil compaction, as a heavy tractor does not traverse the paddock.

CIA can extract 2.5 million liters of effluent from a pond in just 13 hours.

The Rotomax system is designed to cover extensive areas, with the pump able to deliver effluent up to 2.6 kilometers away from a pond, and the connecting hose reaching lengths of up to 530 meters.

For practical application, on an 800-meter paddock, starting from the middle allows for a full-length pass in one motion while retracting the hose on the return trip.

As demand grows for more precision and reduced waste in farming, farmers are starting to realise the benefits and cost savings of utilizing their own slurry. The Veen Huis Rotomax effectively markets itself!

ELHO Stone Picker

Stone picker at CIA LTD

The ELHO Scorpio 550 stone picker is equipped with unique solutions that make it easy to remove stones from fields.

One of the key features of the Scorpio 550 is fully hydraulic drive. The hydraulic flow is 85 litres/minute, which is achieved with 110-150 bar. The hydraulic drive is designed for use with a tractor’s normal dual-function hydraulic coupling and a nominal pump size of 110 l/min. The maximum continuous use is 24 kW, and the tractor’s own cooler keeps the oil temperature optimal.

Automatic depth adjustment enables the machine to follow the surface of the ground with a constant working pressure. This makes it easy and pleasant to operate the machine, even in extremely dusty conditions.

The hydraulic system can temporarily increase pressure to the second pickup motor when needed, and the lifting force at the end of the tines is 700 kg.Sturdy Hardox 500 tines can rotate at higher speeds than traditional steel spring tines. The higher rotation speed improves sieving and soil removal, and it also breaks up organic materials better. The diameter of the picker is 1.8 metres and rotates at 80 r/min, while the tines rotate at 125 r/min.

The Hardox 500 tines have rubber bushings, allowing the sieve steel bars to flex laterally. All of the tines flex backwards and lift out of the sieve to prevent blockages. The maximum tine flex is 500 mm.

The Elho Stone picker has been the perfect fit for our business. Just as the Veen Huis Rotomax benefits the soil with a byproduct you already have, the Rock Picker maximizes the productivity of the land that would otherwise be of an inferior paddock.

Get in touch with the team and Central Injection Agri to find out more.

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