How many discs should the plough have in oder to be connected to to the tractor?

The number of discs required for a plough to be connected to a tractor can vary depending on the specific type and size of the plough, as well as the requirements of the farming operation. Generally, ploughs can have anywhere from 1 to 12 or more discs. It is best to consult the manufacturer's specifications or a professional in the field for the specific number of discs needed for a particular plough and tractor combination.