The fertiliser market is dramatic, to say the least at present. Many growers have questions about what's going on and wondering what they should do.  So in this episode, Ken Rundle talks to Mark Tucker, Yara UK Head of Marketing and Agronomy and Natalie Wood Yara's chief arable agronomist, to discuss the reasons behind market volatility and to ask how growers should adapt their fertiliser programmes to manage costs while still maximising the economic returns.