Environmental Chemistry

(1)
Non-humic
substance:
It’s the simple product of decomposition of biorelict and
generally includes the following organic matters:
nonnitrogenous organic matter such as simple monose,
organic acid, amylose, resin, fat, waxiness and lignine,
etc.;nitrogenous organic matters mainly including protein,
which are largely contained in plant residue, animals
and microorganism in soil; ash content matters,
remaining inorganic matters after the combustion of
plants.