Q5. Which of the following does not contribute to nitrogen availability in the soil?

Select the correct option:

A. Decay of organic matter
B. Lightning
C. Rhizobium
D. Lactobacillus

Dear Student,

Lactobacillus ​​​​​​does not contribute to nitrogen availability in the soil. Rest of the following aids or contribute in the soil fertility or provides nitrogen to soil.

Lactobacillus is a rod shaped bacteria that converts lactose into lactic acid. These are present in the milk and help to convert milk into curd.

Rhizobium, Lightning and decay of the organic matter contribute to the soil nitrogen and helps in the growth and development of plants.
​​​​​​​
Therefore, the correct option is 'D'.


​​​​​​​Regards

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