Hororata farmer Dougal King was checking his pivot irrigator on Saturday morning when he noticed it wasn't moving.
On further investigation King found that 30 tyres had been drilled into, rendering them useless and costing him $15,000.
Listen to the full interview in the Soundcloud embed below:
Not only this but 6000 litres of milk had been let out of a vat on a nearby Leeston property. King says the police are looking into it but "there's not really a hell of a lot they can do."