
E7 NITROGEN CONCENTRATION
NO3-N [mg l-1]*, 1970
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
0.03 - - - - - - 0.04 0.11 0.03 0.13 0.08
* Converted from the original determination of NO3-.
Source:McLachlan, A. J. (1979) The aquatic environment, chemical and physical characteristics of Lake Chilwa. "Lake Chilwa" (ed. Kalk, M., McLachlan,
A. J. & Howard-Williams, C.), pp. 59-78.