Impact of addition of organic additives and EM-A preparation on physical, chemical and structural state of the arable-humus soil horizon. Part II. Chemical properties
Manure is a valuable source of nutrients, however their availability for plants is low. So the application of effective microorganism
should enhance microbiological activity of soil. Such interaction may have a beneficial effect on mineralization
process of organic matter and that is related to quicker rate of releasing nutrients in available for plants forms. This statement
was verified on the basis of incubation experiment during 9 months. In performed experiment Luvisols was incubated
with manure (dose corresponding to 40 t d.m. per hectare), straw (dose corresponding to 4 t d.m. per hectare) and EM-A
preparation at a rate corresponding to 100 dm3per hectare. The experimental factors significantly influenced on quantitative
changes of nutrients in soil. Generally manure increased, and straw decreased the amounts of nutrients in available for
plants forms. The study demonstrated that application of EM did not influence on intensity of mineralization process exerted
by increasing releasing of nutrients in available for plants forms.
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