Question

Discuss the role of bacteria in soil fertility.


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Answer 1

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Discuss the role of bacteria in soil fertility.

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Soil fertility :

1. The Ammonifying bacteria like Bacillus ramosusvand Bacillus mycoides convert complex proteins in the dead bodies of plants and animals into ammonia, later converted into ammonium salt.

2. The Nitrifying bacteria such as Nitrobacter, Nitrosomonas convert ammonium salts into nitrites and nitrates.

3. Nitrogen fixing bacterial such as Azotobacter, Clostridium and Rhizobium (a symbiotic bacterium) are capable of converting atmospheric nitrogen into organic nitrogen.

4. The nitrogenous compounds are also oxidized to nitrogen

All these activities of bacteria increase soil fertility

Answer 2

Answer:

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Bacteria perform many important ecosystem services in the soil including improved soil structure and soil aggregation, recycling of soil nutrients, and water recycling. ... Bacteria perform important functions in the soil, decomposing organic residues from enzymes released into the soil.