[Nitrate in ground water and its relation to fertilization (author's transl)].
D005308:Fertilizers; D005860:Germany, West; D009573:Nitrites / Q000032:analysis*; D010507:Periodicity; D012621:Seasons; D012987:Soil / Q000032:analysis; D014867:Water / Q000032:analysis; D014877:Water Pollution, Chemical
D005308:Fertilizers; D009573:Nitrites; D012987:Soil; D014867:Water
Nitrat im Grundwasser (Feldversuche über den Zusammenhang mit der Düngung.