Table of Contents
- 1 How does nitrogen in the soil get back to the atmosphere?
- 2 What process is involved when nitrogen in the soil is put back out into the air by special bacteria?
- 3 What converts atmospheric nitrogen into nitrogenous compounds?
- 4 What in the soil convert nitrogen present in the atmosphere in a soluble form?
- 5 What do you understand by Rhizobium?
- 6 How does nitrogen return to the atmosphere?
- 7 Which process releases ammonium into the nitrogen cycle?
How does nitrogen in the soil get back to the atmosphere?
Nitrogen is returned to the atmosphere by the activity of organisms known as decomposers. Some bacteria are decomposers and break down the complex nitrogen compounds in dead organisms and animal wastes. This returns simple nitrogen compounds to the soil where they can be used by plants to produce more nitrates.
What process is involved when nitrogen in the soil is put back out into the air by special bacteria?
Denitrification completes the nitrogen cycle by converting nitrate (NO3-) back to gaseous nitrogen (N2). Denitrifying bacteria are the agents of this process. These bacteria use nitrate instead of oxygen when obtaining energy, releasing nitrogen gas to the atmosphere.
What converts atmospheric nitrogen into nitrogenous compounds?
Bacteria such as rhizobium and certain blue-green algae present in the soil can fix atmospheric nitrogen and convert into usable nitrogenous compounds, which are used by plants for the synthesis of plant proteins and other compounds.
How does water soluble nitrogen get converted into atmospheric nitrogen?
Bacteria called RHIZOBIUM present in the root nodules of leguminous plants can convert atmospheric nitrogen into water soluble nitrogen compounds called nitrates. This process of conversion of atmospheric nitrogen to nitrates is called NITROGEN FIXATION.
What absorb atmospheric nitrogen and convert it into its compound?
Answer: Soil absorb atmospheric nitrogen and convert it into it’s compound , i.e., nitrates .
What in the soil convert nitrogen present in the atmosphere in a soluble form?
Rhizobium
Rhizobium a bacterium they can take atmospheric Nitrogen and convert it into a soluble form.
What do you understand by Rhizobium?
Definition of rhizobium : any of a genus (Rhizobium) of small heterotrophic soil bacteria capable of forming symbiotic nodules on the roots of leguminous plants and of there becoming bacteroids that fix atmospheric nitrogen.
How does nitrogen return to the atmosphere?
Nitrogen return to the atmosphere by the nitrogen cycle process. when animals excrete nitrogenous wastes in soil there are some nitrogen fixation bacteria which fertile this part of soil & plant will grow there , through plants nitrogen spread in environment & ptants are also used by animals , dead animals or their wastes go to the soil ..
What happens to nitrogen when a plant dies?
Answer Wiki. When plants or animals die the nitrogen in their bodies is converted via many routes to nitrate. The same happens with the nitrogen they excrete. Denitrifying bacteria (not nitrogen fixating bacteria) convert nitrate back into nitrogen gas, which returns to the atmosphere.
How do plants and animals assimilate nitrogen?
Assimilation refers to how plants and animals obtain nitrogen. Plant roots absorb nitrates from the soil into the roots then into the entire plant system. The plants then use the nitrates in the synthesis of nucleic acids, enzymes, amino acids, proteins, and chlorophyll. On the other hand, animals assimilate nitrogen by eating the plants.
Which process releases ammonium into the nitrogen cycle?
Animal waste equally releases ammonium into the nitrogen cycle. Denitrification is the process that changes nitrate to nitrogen gas, hence returning it into the atmosphere. This process releases the excess nitrogen in the soil back into the atmosphere.