Web Results

en.wikipedia.org/wiki/Nitrogen_cycle

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into various chemical forms as it circulates among the atmosphere, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and ... The processes of the nitrogen cycle transform nitrogen from one form to ...

www.siue.edu/~rbrugam/Nitrogen.pdf

Step 2- Nitrification- Nitrification is the process which converts the ammonia into nitrite ions which the plants can take in as ... Nitric Oxide (NO) is released into the atmosphere when any type of fuel is ... Plants lacking sufficient nitrogen become.

www.sciencelearn.org.nz/resources/960-the-nitrogen-cycle

Jul 30, 2013 ... Nitrogen is the most abundant element in our planet's atmosphere. ... It is also needed to make chlorophyll in plants, which is used in ... It has to be converted or 'fixed' to a more usable form through a process called fixation.

www.lenntech.com/nitrogen-cycle.htm

The gaseous form of nitrogen (N2), makes up 78% of the troposphere. ... During the conversion of nitrogen cyano bacteria will first convert nitrogen into ... Plants absorb ammonium and nitrate during the assimilation process, after which they ...

passel.unl.edu/pages/informationmodule.php?idinformationmodule=1130447042&topicorder=2&maxto=8

As described earlier, fixation is the process of converting dinitrogen gas to chemically reactive forms — where nitrogen combines with other elements such as ...

www.scienceclarified.com/Mu-Oi/Nitrogen-Cycle.html

The problem is, however, that plants are unable to use nitrogen in its elemental form—as dinitrogen. Any process by which elemental dinitrogen is converted to a  ...

www.cas.miamioh.edu/mbi-ws/biogeochemicalcycles/Nitrogen/nitrogen.htm

Overview: The nitrogen cycle involves three major steps: nitrogen fixation, ... These organisms convert nitrogen in the soil to ammonia, which can then be taken ... the form of nitrates while animals assimilate their nitrogen by eating the plants.

courses.lumenlearning.com/boundless-microbiology/chapter/nutrient-cycles

Plants convert phosphorous to its organic form, and bacteria convert it back to the ... The nitrogen cycle is the process by which nitrogen is converted from ...

www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/greenworld/recyclingrev2.shtml

The Haber process converts nitrogen gas into ammonia used in fertilizers. Ammonia is ... Plants absorb nitrates from the soil and use these to build up proteins.