Question

Which of the following represents ways nitrogen can leave the soil?
1. Diffusion from soil to air
11. Denitrification by bacteria
III. Assimilation into plants
O lll only
Oland I
Oland III
OT, II, and III

Answer 1

Answer: the answer is I and III

Explanation:

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Answer 2

The ways by which nitrogen leave the soil are diffusion, denitrification, assimilation . Hence option I, II and III are correct.

what are the types of Nitrogen loss ?

There are different ways by which nitrogen is lost from soil.

Volatilization Loss which is  reduction process where nitrogen is lost in the gaseous form mostly ammonia during application of nitrogen based  fertilizers.

The reductional process of conversion of nitrate to nitrogen gas in presence of anaerobic  microorganism and in absence of air, poor drainage called as de-nitrification.

Loss of  de-nitrification lead to release of nitrogen.

In humid soil or a water- logged condition, nitrate are lost by   leaching process.

If the Soil microorganisms utilize more amount of nitrates then crops may not get nitrogen in full quantity.

Hence option I, II and III are correct.

Learn more about Denitrification, here:

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