Since the advent of granulated fertiliser, seed and fertiliser have been sown together in combination drills. But as acreage and machine output increased, the practicalities of sowing fertiliser and seed together has become an issue. As a result, the popularity of combination drills has decreased and the jobs of spreading fertiliser and sowing seeds are usually two separate tasks.

But is this the right approach from a farming perspective? Tipperary-based agronomist and input supplier Tom Butler doesn’t think so.