IrrigationNZ chief executive Elizabeth Soal said multi-purpose water storage had not been used widely across New Zealand.

Soals, and flat-fish in general, are scarce.

Kathryn speaks with CEO Elizabeth Soal, Otago Federated Farmers President Simon Davies and Peter Amos, Managing Director of Damwatch Engineering.

One of the union's polytechnic members, Carol Soal, said work had become more hectic and more focused on business models than on students.