Soil microflora
(2013) defines living microorganisms as that small that they can be seen only with a
microscope and that maintain a more or less constant presence in a particular area that
includes bacteria, viruses, protozoa and fungi. Soil microflora more specifically, consists the
following microorganisms (Bhatt et al. 2013):
1. Bacteria
a) Heterotrophic bacteria, eg. symbiotic and non - symbiotic N2 fixers, ammonifier,
cellulose decomposers, denitrifiers
b) Autrotrophic bacteria, eg. nitrosomonas, nitrobacter, sulphur oxidizers, etc;
2. Fungus;
3. Viruses
4. Actinomycetes and stretomyces;
5. Algae eg. BGA, yellow gree algae, golden brown algae.
The soil microflora largely depends on the type of soil, temperature, moisture, plant growth,
nutrients, pH, and many other factors which may vary between locations but also within a
single plot and over very small distances (OECD, 2007). Nevertheless of the quantity of
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