Nitrogen Cycle - Nitrogen cycle Presented By: Hafiza Hira...

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Nitrogen cycle Presented By: Hafiza Hira Amjad
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What is nitrogen?? Nitrogen is a chemical element that has the symbol `N’ Elemental nitrogen is a colorless, odorless, tasteless gas. It constitutes 78.08% by volume of earths atmosphere. The element nitrogen was discovered as a separable component of air, by Scottish physician Daniel Rutherford, in 1772. Nitrogen is slightly lighter than air. It is highly soluble in water.
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Composition of air
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Nitrogen cycle The nitrogen cycle is the continuous series of natural processes by which nitrogen passes from the air to the soil, to plants, and ultimately to sustain all animal life, and then returns back to the air or soil through decay or denitrification Nitrogen is a basic element of all living cells and through nitrogen cycle it rotates in our universe.
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Nitrogen cycle Five basic steps are involved: Nitrogen fixation (conversion of nitrogen from air to soil) Decomposition Ammonification Nitrification (
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This note was uploaded on 01/17/2012 for the course MASS COMMU 107 taught by Professor Masror during the Spring '11 term at College of E&ME, NUST.

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Nitrogen Cycle - Nitrogen cycle Presented By: Hafiza Hira...

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