Can farmers absorb or skip fertiliser?

The cost of your weekly shop is about to go up – as the war in Iran squeezes the supply of synthetic fertiliser.

The effective closure of the Strait of Hormuz had already caused a spike in energy prices - and is now expected to hit kitchen cupboards in time for summer.

It also presents a fresh challenge for a farming industry growing used to having to dig deep for profits. So, what foods will be impacted and what can be done to bring prices back down?

Niall is joined by Sky’s business correspondent Paul Kelso.