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Nitrification in Soil: Systems Approaching a Steady State
Author(s) -
McLaren A. Douglas
Publication year - 1969
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1969.03615995003300040020x
Subject(s) - nitrification , ammonium , steady state (chemistry) , diffusion , environmental science , nutrient , cation exchange capacity , environmental chemistry , chemistry , mathematics , soil science , nitrogen , thermodynamics , soil water , physics , organic chemistry
Equations are set up for the consecutive reactions NH 4 + → NO 2 ‐ → NO 3 ‐ in an idealized soil column and solved, for an open system with a constant rate of entry of a solution of ammonium, for concentrations of ions as functions of time of flow and distance within the column. The equations take into account growth of nitrifying organisms but it is assumed that diffusion and ion exchange within the soil and fixation of nutrients by the nitrifiers are of secondary importance.