title: Fertilizers, soil conditioners and beneficial substances — Simultaneous determination of N-(n-Butyl) thiophosphoric triamide and dicyandiamide by high-performance liquid chromatography
title: Engrais, Amendements et Substances Bénéfiques — Détermination Simultanée du N-buthylthiophosphore Triamide (NBPT) et du Dicyandiamide (DCD) par Chromatographie Liquide à Haute Performance (HPLC)