If nearly 79% of the atmosphere is made of nitrogen, there could be a shortage of nitrogen in the soil because for nitrogen to be available in the biosphere(earth crust with soil matters), there is a need for nitrogen in the atmosphere to be converted to nitrogen in the biosphere through a process is called Nitrogen fixation.
The atmosphere is the gaseous particle surrounding the earth's surface as well as the celestial bodies. It consists of:
- 78% nitrogen
- 21% oxygen
- 1% of other gases.
The biosphere is the part of the earth's surface that supports the existence of life and survival.
For Nitrogen in the atmosphere to be converted to nitrogen in the biosphere, this needs to occur through a chemical process known as Nitrogen Fixation.
Nitrogen fixation is a method by which nitrogen in the atmosphere is converted into molecular forms that plants may absorb through their root systems.
Due to human and anthropogenic factors, humans have altered the nitrogen cycle by which Nitrogen fixation can be being carried out.
Therefore, we can conclude that we have understood why the Nitrogen in the atmosphere can't be the same as the Nitrogen in the soil.
Learn more about Nitrogen Fixation here;
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