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Control of the amount of seed applied is done by varying the speed that the seed metering roller is turning to achieve the desired
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On mechanical versions this is done through the use of a step less gearbox and lever to adjust the seed rate. |
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With electronic versions the control box in the cab allows setting and adjustment on the move. |
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Calibration for both types of Variocast is performed by removing the metering roller cover and using the calibration tray. |
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