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    Introduction Nitrogen is essential to all living systems, which makes the nitrogen cycle one of Earth's most important nutrient cycles. Atoms of nitrogen don't just stay in one place. They move slowly between living things, dead things, the air, soil and water. These movements are called the nitrogen cycle. The nitrogen cycle is one of the biogeochemical cycles and is very important for ecosystems. Nitrogen moves slowly through the cycle and is stored

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    The Nitrogen Cycle

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    Earth’s atmosphere is nitrogen (78%). When humans and all living things take a deep breath, most of what they just inhaled is nitrogen. All life needs nitrogen compounds, for examples are proteins and nucleic acids. For the plants, chlorophyll molecules use most of the nitrogen which are important for photosynthesis and further development. The quantity of nitrogen gas being permanently at any given time by natural processes produces only a small increase by fixed nitrogen that rotates among the

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    The Nitrogen Cycle

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    The Nitrogen Cycle Most nitrogen is found in the atmosphere. The nitrogen cycle is the process by which atmospheric nitrogen is converted to ammonia or nitrates. Nitrogen is essential to all living systems. To become a part of an organism, nitrogen must first be fixed or combined with oxygen or hydrogen. Nitrogen is removed from the atmosphere by lightening and nitrogen fixing bacteria. During electrical storms, large amounts of nitrogen are oxidized and united with water to produce

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    From the beginning of time, the earth has provided its inhabitants with everything needed to sustain life at its most basic level. For instance, the ratio of land to fresh water as well as Earth’s natural cycles provided enough resources for animals to survive. Unfortunately, as the human population grew, the previously abundant natural resources started to become limited. In fact, engineers have recently been tasked with discovering new methods of harnessing energy, harvesting food, and collecting

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    Nitrogen, Carbon and Phosphorus Cycles The carbon cycle deals with the interaction of carbon between living organisms and the nonliving environment. This cycle is a process through which all carbon rotates. The main result of the carbon cycle is to serve as a great natural "recycler" of carbon atoms. The cycle works in a very basic way. First, carbon is taken from carbon dioxide found in the air. Plants take in carbon dioxide from the atmosphere. Plants absorb carbon dioxide from the atmosphere

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    The Process of Nitrogen Cycle

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    the biogeochemical cycles. Biogeochemical cycles are the processes that occur naturally and recycle the nutrients in different chemical forms from the non-living ecosystem to living organisms and then back to the non-living ecosystem. Biogeochemical cycles consist of five cycles which are iron cycle, sulphur cycle, phosphorus cycle, nitrogen cycle and carbon cycle. The most important and complex of biogeochemical cycles is the nitrogen cycle (Botkin & Keller, 2012). Nitrogen cycle allows the various

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    The Significance of the Nitrogen Cycle in Ecosystems Nitrogen makes up about 80 per cent of the Earth's atmosphere as a gas. However the gaseous molecule is very stable and has to be transformed before it can be used by most organisms as it is only available to them when it is ammonium or nitrate. It can only be removed from the atmosphere in two ways: by lightning and by nitrogen fixation. Only a few species can convert nitrogen by nitrogen fixation to biologically useful forms. Due to

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    Hydrogen

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    element on earth. It is estimated that hydrogen makes up more than 90% of all the atoms or three quarters of the mass of the universe. Hydrogen plays an important part in powering the universe though both the proton-proton reaction and carbon-nitrogen cycle. Hydrogen occurs in almost all organic compounds. Many of the compounds found in plant and animal tissues are organic. Production of hydrogen in the U.S. alone now amounts to about 3 billion cubic feet per year. Some of the methods that hydrogen

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    untouchable. Air are consist of nitrogen, oxygen, carbon dioxide and other gaseous. Nitrogen is an important element for the living organisms to live and to form the complex organic molecules such as proteins and amino acids. However, most of the living organisms such as plants can only use the nitrogen which already in compound form because the pure nitrogen is inactive and the strong triple bond between its atoms are difficult to break. In order to produce nitrogen that is in compound form, it has

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    Nitrogen fixation

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    mineral nutrients, and none is more important than nitrogen, which is required in large amounts as an essential component of proteins, nucleic acids and other cellular constituents. There is an abundant supply of nitrogen in the earth's atmosphere - nearly 79% in the form of N2 gas. However, N2 is unavailable for use by most organisms because there is a triple bond between the two nitrogen atoms, making the molecule almost inert. In order for nitrogen to be used for growth it must be "fixed" (combined)

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