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Stocks Ag have responded to growing interest from customers wanting the ability to control multiple applications of product and seed in one pass by extending the capabilities of its Isobus compatible i-CON control system. 

Up to four i-CON applicators from the Stocks Ag range, including the Turbo Jet, Fan Jet Plus, Fan Jet Mini and Rotor Meter, can be connected through a single terminal or, ideally, through the tractor’s own screen.  Each applicator’s i-CON control automatically maintains a pre-set target application rate as the forward speed varies, with on-the-move adjustment of the rate applied as required. 

An Isobus ‘bridge’ module connects up to four Stock’s applicators directly into the tractor’s Isobus socket.  Connecting directly into the tractor’s screen simplifies the operation and eliminates the requirements for multiple control boxes and GPS receivers, as the system can also rely on the tractor’s own GPS and task controller unit.  Should the tractor’s own screen not be available, an additional terminal can be supplied.

Two Stocks Turbo Jets mounted to a Subsoiler

Commenting, Technical Director for Stocks Ag, Tim Farrow said; “A growing number of customers are looking for precisely metered, accurate application of more than one product in a single pass as part of the cultivation process.  For example, a combination of OSR, fertiliser and slug pellets; or cover crops drilled with at least two seeding units, to account for different seed sizes. This reduces the number of passes, saving on fuel, time and labour.  The new module gives greater versatility and flexibility and allows users to deploy up to four Stocks applicators at the same time.”

Typically, for a seeding operation, the drill would use two of the four channels. This leaves two available channels for a pair of supplementary applicators.  On a stand-alone machine up to four Stocks i-CON applicators can be controlled via the bridge unit.

The bridge module with operating control screen will be on display for the first time on the Stocks Ag stand no 6.540. in hall 6 at LAMMA Show 2023.


Wisbech is still the home of Stocks Ag. All applicators are fabricated, assembled and painted in the Cambridgeshire factory. Precision assembly and quality control are paramount to the production process.

The R & D team work with both the factory and farmers to deliver a seeding solution that is fit for current farming practices.

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