translate English to French: However, it is important to mention that a large share of ammonia production was used to produce downstream nitrogen products such as nitrogen solutions, urea and ammonium phosphates.
Il importe cependant de souligner qu'une forte proportion de la production d'ammoniac a servi à fabriquer des produits azotés secondaires tels que les solutions azotées, l'urée et le phosphate d'ammonium.