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Index >> Applications of Microbial Interactions >> Benefits of Organic Matter Decomposition

Benefits of Organic Matter Decomposition

Benefits of Organic Matter Decomposition
There is improved seed germination (humic substances) and root growth, and uptake of minerals by plants (mobilisation of NPK from the soil into the root) is increased in the presence of humic substances.

Uptake of trace elements by plants is increased since humus is known to chelate with trace elements like iron.

Humus enhances the enzyme activity involved in plant metabolism.

Humic acids are known to influence the growth and proliferation of microbes.

For example, growth of Aspergillus, Penicillium, Bacillus is enhanced by addition of humus. The number of Azotobacter cells and amount of nitrogen fixed by them are enhanced by application of humic acids.

Organic matter contributes to the exchange capacity of cations and anions in the soil, and affects the retention, release and availability of plant nutrients.

It binds organic chemicals and pesticides which affects their biological activity and toxicity. It lessens some of the harmful effects of chemicals dumped into the environment and improves water percolation and retention into the soil.

It is involved in the formation and maintenance of desirable soil structure.

It absorbs solar radiation which influences soil temperature. It provides colour to soil and decreases its reflectance.

The more organic matter a soil has, the darker the soil will be and the more energy it will absorb.

 

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