With the possibility of prolonged pressure on fertiliser supplies and prices, Agrovista’s Chris Martin says it is even more important to ensure nitrogen use efficiency is as high as possible, while noting there are potential alternative sources of nitrogen to consider if necessary and as appropriate. “While UK fertilisers may not come directly from the Middle East, the reduced supply of Gulf State-produced fertiliser or raw ingredients increases competition for other sources and, as we’ve seen, quickly impacts UK prices,” Chris says. “Those growers will have difficult decisions about whether to stump up the extra cost, assuming supplies are available…