Nitrate levels in drinking water in a wine producing area of Germany (F.R.G.).
D000383:Agriculture; D005860:Germany, West; D009566:Nitrates / Q000032:analysis*; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014881:Water Supply / Q000032:analysis* / Q000592:standards; D014920:Wine
D009566:Nitrates; D014873:Water Pollutants; D014874:Water Pollutants, Chemical