Recommended Best Practice for the Analysis of Total Nitrogen Content in Urea Ammonium Nitrate (UAN) Liquid Fertilizer

As a first step in the IFA Method Harmonization Working Group’s process of identifying methods for recommendation as best practice, mapping was carried out of globally-applied methods used to determine total nitrogen content in UAN liquid fertilizer. As an outcome of this exercise, a number of methods were selected and clustered around two basic principles...