Nitrate and nitrite nitrogen in fresh, stored and processed table beets and spinach from different levels of field nitrogen fertilisation.
D005308:Fertilizers; D005525:Food-Processing Industry; D009566:Nitrates / Q000032:analysis*; D009573:Nitrites / Q000032:analysis* / Q000506:poisoning; D014675:Vegetables / Q000032:analysis*
D005308:Fertilizers; D009566:Nitrates; D009573:Nitrites