A businessman trying to stop Synlait Milk continuing to build a new factory at Pokeno is unlikely to back off or be bought off given earthworks on his own neighbouring $1 billion tourism development are due to start within weeks.

Listed Synlait and Karl Ye's company New Zealand Industrial Park appear to be at standoff over covenants on the Synlait land, with Ye considering seeking an injunction against the Canterbury-based infant formula maker to stop further progress on its well-advanced $280 million new plant in the north Waikato town.

Ye owns a property adjacent to the Synlait site, part of