And without the EU's single farm payment, it would have made this business very difficult to keep going.

BBC: Struggling farmers urge PM to retain EU subsidies

The minister set up the Land Parcel Identification System (LPIS) improvement project to systematically review and, if necessary, correct each of the 742, 000 fields currently used to claim the Single Farm Payment subsidy.

BBC: Every field in Northern Ireland to be re-mapped

All the old complex payments for what farmers were able to produce have been replaced by just one subsidy based upon the amount of land the farmer has - known as the Single Farm Payment.

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