Natural organic tendency.
van Breemen
Nico
N
D000818:Animals; D001272:Atmosphere; D017753:Ecosystem; D005618:Fresh Water; D006801:Humans; D009584:Nitrogen / Q000378:metabolism*; D009656:North America; D010944:Plants / Q000378:metabolism; D000644:Quaternary Ammonium Compounds / Q000378:metabolism; D013020:South America
D000644:Quaternary Ammonium Compounds; D009584:Nitrogen