describe the whole process of nitrogen cycle...nd what is the definition of this term???

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Shubham is correct

The nitrogen cycle process is converted to:

1.nitrates;nitrites;ammonia etc.

nitrates ,nitrites ,ammonia

This will of course help you a lot .

nitrogen fixation is the process by which rhizobium bacteria ,which are present in the root nodules of leguminous plants, 
take up nitrogen directly from the atmosphere and convert it into water soluble nitrogenous compounds and store them in the soil .

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Nitrogen cycle is the biogeochemical cycle that describes the transformations of nitrogen and nitrogen cotaining compoubds in nature.

Atmospheric nitrogen is converted into nitrogenous compounds or is ammonified?by nitrogen-fixing bacteria like Nostoc. These substances are then denitrified into atmospheric nitrogen again by the denitrifying bacteria like alkaligenes.

This process is called the Nitrogen Cycle. Step 1-Nitrogen Fixation- Special bacteria convert thenitrogen gas (N2 ) to ammonia (NH3) which the plants can use. Step 2- Nitrification- Nitrification is theprocess which converts the ammonia into nitrite ions which the plants can take in as nutrients.In general, the nitrogen cycle has five steps:

• Nitrogen fixation (N2 to NH3/ NH4+ or NO3-)
• Nitrification (NH3 to NO3-)
• Assimilation (Incorporation of NH3 and NO3- into biological tissues)
• Ammonification (organic nitrogen compounds to NH3)
• Denitrification(NO3- to N2)
  Some examples of the nitrogen cycle include the following: A plant takes nitrogenfrom the soil by absorbing it through its roots. The nitrogen comes in the form ofnitrogen ions. When the nitrogen is absorbed by the plant, it is reduced to nitrite ions.

The nitrogen lives as a part of soil,plants and then goes back to atmosphere and the again get fixed and gets back to soil this cyclic pattern is called nitrogen cycle.

A cycle which contains nitrogen and helps us to ride a cycle

shubham anand is correct

ok yes

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The cyclic process of nitrogen being fixed, used by plants and animals and later returned to the atmosphere, is referred to as the nitrogen cycle. It in involves the following steps- nitrogen fixation, nitrogen assimilation, ammonification , nitrification and denitrification.
Nitrogen fixation- The conversion of free atmospheric nitrogen into nitrogenous compounds is called nitrogen fixation. it occurs by the following ways-
(a) Lightning: when lightning strikes, nitrogen and oxygen of the atmosphere react and form oxides of nitrogen. these dissolve in nitrogen and form nitric acid. Nitric acid reacts with limestone in the soil and converts into nitrates.
(b) Biological nitrogen fixation: Certain plants called leguminous plants contain rhizobium bacteria in their root nodules. the bacterium can take atmospheric nitrogen and convert it into nitrogen compounds. 
Nitrogen Assimilation- The process of conversion of inorganic nitrogen  compounds into organic compounds that become a part of living organisms is called nitrogen assimilation.
Ammonification- When plants and animals die, the proteins present in them are converted into ammonium compounds by the putrefying bacteria and fungi found in the soil. This process is called ammonification.
Nitrification- Ammonium salt in the soil is converted first into nitrites by Nitrosomonas bacteria. The nitrites are then converted into nitrates by nitrobacter bacteria. The nitrates so formed can once again be absorbed by the plants. This process is called nitrification.
Denitrification- Some of the nitrates are absorbed by the plants. Rest of the nitrates in the soil are converted by Pseudomonas bacteria into nitrogen gas which escapes into the atmosphere. This process is called denitrification.


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The cyclic process of nitrogen being fixed, used by plants and animals and later returned to the atmosphere, is referred to as the nitrogen cycle. It in involves the following steps- nitrogen fixation, nitrogen assimilation, ammonification , nitrification and denitrification.
Nitrogen fixation- The conversion of free atmospheric nitrogen into nitrogenous compounds is called nitrogen fixation. it occurs by the following ways-
(a) Lightning: when lightning strikes, nitrogen and oxygen of the atmosphere react and form oxides of nitrogen. these dissolve in nitrogen and form nitric acid. Nitric acid reacts with limestone in the soil and converts into nitrates.
(b) Biological nitrogen fixation: Certain plants called leguminous plants contain rhizobium bacteria in their root nodules. the bacterium can take atmospheric nitrogen and convert it into nitrogen compounds. 
Nitrogen Assimilation- The process of conversion of inorganic nitrogen  compounds into organic compounds that become a part of living organisms is called nitrogen assimilation.
Ammonification- When plants and animals die, the proteins present in them are converted into ammonium compounds by the putrefying bacteria and fungi found in the soil. This process is called ammonification.
Nitrification- Ammonium salt in the soil is converted first into nitrites by Nitrosomonas bacteria. The nitrites are then converted into nitrates by nitrobacter bacteria. The nitrates so formed can once again be absorbed by the plants. This process is called nitrification.
Denitrification- Some of the nitrates are absorbed by the plants. Rest of the nitrates in the soil are converted by Pseudomonas bacteria into nitrogen gas which escapes into the atmosphere. This process is called denitrification.
 

The cyclic process by which the nitrogen present in the atmosphere is utilize by plants and animals and returned back to the atmosphere is known as nitrogen cycle

hello,
Charvi Nagpal is right please follow his answer.
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Nitrogen cycle is the process or cycle in which atmospheric nitrogen is converted into the usable forms of Nitrogen and again converted into the atmospheric nitrogen this is known as the nitrogen cycle nitrogen cycle works in the following basis first bacteria like rhizobium and others convert the atmospheric nitrogen into usable form and any such chemical reaction which takes place like in the body of the rhizobium also convert the atmospheric nitrogen into its usable form then it is converted into again into atmospheric nitrogen by various process

Nitrogen cycle is a repeated cycle by which the nitrogen is converted in other chemical forms and it circulates in the atmosphere, terrestrial and marine ecosystems. 
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U see on google

nitrogen fixation is the process by which rhizobium bacteria ,which are present in the root nodules of leguminous plants,
take up nitrogen directly from the atmosphere and convert it into water soluble nitrogenous compounds and store them in the soil .

Definition of nitrogen cycle. : a continuous series of natural processes by which nitrogen passes successively from air to soil to organisms and back to air or soil involving principally nitrogen fixation, nitrification, decay, and denitrification.

The nitrogen lives as a part of soil,plants and then goes back to atmosphere and the again get fixed and gets back to soil this cyclic pattern is called nitrogen cycle.

nitrogen is present in soil . the plants absorb it and releases  it after using it ,  in the atmosphere. the nitrogen in the atmosphere replenishes itself and  comes back in the soil like when it rains some nitrogen particles might be in the water . then the cycle repeats itself . this cycle is known as nitrogen cycle .

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Nitrogen cycle, circulation of?nitrogen?in various forms through nature. Nitrogen, a component of?proteins?and?nucleic acids, is essential to?life?on?Earth. Although 78 percent by volume of the?atmosphere?is nitrogen?gas, this abundant reservoir exists in a form unusable by most organisms. Through a series of microbial transformations, however, nitrogen is made available to?plants, which in turn ultimately sustain all?animal?life. The steps, which are not altogether sequential, fall into the following classifications:?nitrogen fixation, nitrogen assimilation, ammonification, nitrification, and?denitrification.

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification. The majority of Earth's atmosphere (78%) is atmosphere nitrogen,^[16] making it the largest source of nitrogen. However, atmospheric nitrogen has limited availability for biological use, leading to a scarcity of usable nitrogen in many types of ecosystems.

The nitrogen cycle is of particular interest to ecologists because nitrogen availability can affect the rate of key ecosystem processes, including primary production and decomposition. Human activities such as fossil fuel combustion, use of artificial nitrogen fertilizers, and release of nitrogen in wastewater have dramatically altered the global nitrogen cycle.Human modification of the global nitrogen cycle can negatively affect the natural environment system and also human health.

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Nitrogen cycle is the biogeochemical cycle that describes the transformations of nitrogen and nitrogen cotaining compoubds in nature.

Atmospheric nitrogen is converted into nitrogenous compounds or is ammonified by nitrogen-fixing bacteria like Nostoc. These substances are then denitrified into atmospheric nitrogen again by the denitrifying bacteria like alkaligenes.
Nitrogen cycle, circulation of nitrogen in various forms through nature. Nitrogen, a component of proteins and nucleic acids, is essential to life on Earth. Although 78 percent by volume of the atmosphere is nitrogen gas, this abundant reservoir exists in a form unusable by most organisms. Through a series of microbial transformations, however, nitrogen is made available to plants, which in turn ultimately sustain all animal life. The steps, which are not altogether sequential, fall into the following classifications: nitrogen fixation, nitrogen assimilation, ammonification, nitrification, and denitrification.

A CYCLE WHICH CONTAINS NITROGEN AND HELPS US TO RIDE A CYCLE

Ni nitrogen cycle

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Defination

Rutherford , s Nuclear model of atom (1911)

It is a process in which the atmospheric nitrogen is converted to compounds of nitrogen and then again converted to atmospheric nitrogen

It is done through the action of lightning and by the nitrogen fixing bacteria Rhizobium and Blue Green Algae.

This process goes on and so the amout of nirogen present in the atmosphere remains constant.

Yd way vi

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Nitrogen Cycle is a biogeochemical process through which nitrogen is converted into many forms, consecutively passing from the atmosphere to the soil to organism and back into the atmosphere. It involves several processes such as nitrogen fixation, nitrification, denitrification, decay and putrefaction.

Nitrogen Cycle is a biogeochemical process through which nitrogen is converted into many forms, consecutively passing from the atmosphere to the soil to organism and back into the atmosphere. It involves several processes such as nitrogen fixation, nitrification, denitrification, decay and putrefaction.

Nitrogen Cycle is a biogeochemical process through which nitrogen is converted into many forms, consecutively passing from the atmosphere to the soil to organism and back into the atmosphere. It involves several processes such as nitrogen fixation, nitrification, denitrification, decay and putrefaction.

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere. The conversion of nitrogen can be carried out through biological and

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Nitrogen Cycle is a biogeochemical process through which nitrogen is converted into many forms, consecutively passing from the atmosphere to the soil to organism and back into the atmosphere. It involves several processes such as nitrogen fixation, nitrification, denitrification, decay and putrefaction.

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The nitrogen lives as a part of soil,plants and then goes back to atmosphere and the again get fixed and gets back to soil this cyclic pattern is called nitrogen cycle.

In general, the nitrogen cycle has five steps:

• Nitrogen fixation (N2 to NH3/ NH4+ or NO3-)
• Nitrification (NH3 to NO3-)
• Assimilation (Incorporation of NH3 and NO3- into biological tissues)
• Ammonification (organic nitrogen compounds to NH3)

Definition?of?nitrogen cycle. : a continuous series of natural?processes?by which?nitrogen?passes successively from air to soil to organisms and back to air or soil involving principally?nitrogen fixation, nitrification, decay, and denitrification

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