Web Results

Nitrogen cycle


The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into various chemical forms as it circulates among the atmosphere and terrestrial and marine ecosystems. The conversion ...

The Nitrogen Cycle - Boundless


Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a ... This occurs in two steps: first, bacteria convert ammonia in to (nitrites ) NO2-, and then other ... Nitriates are a form of nitrogen that is usable by plants.

What is the process of converting nitrogen into a form that plants can ...


The process is called nitrogen fixation.

Nitrogen - Soil Management - University of Hawaii


Nitrogen. Of all the essential nutrients, nitrogen is required by plants in the largest ... Denitrification: Conversion of nitrate to atmospheric forms of nitrogen ...

The Nitrogen Cycle - Environmental Monitor - Fondriest Environmental


Aug 2, 2010 ... The cycling of nitrogen among its many forms is a complex process that ... Nitrogen fixation is the process by which gaseous nitrogen (N2) is converted to ... Plants take up these forms of nitrogen through their roots, and ...

How do plants get their nitrogen from the air? | Science Questions ...


Feb 21, 2014 ... The fixation of nitrogen – the conversion of atmospheric nitrogen into a form that plants can use – is a process fundamental to world agriculture.

BASIN: General Information on Nitrogen - Boulder Community Network

bcn.boulder.co.us/basin/data/NEW/info/NO3 NO2.html

Most organisms (including humans) can't use nitrogen in the gaseous form N2 for ... "Fixation" is the conversion of gaseous nitrogen to ammonia or nitrate. ... Nitrates feed plankton (microscopic plants and animals that live in water), aquatic  ...



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.

Nitrogen Cycle - body, used, water, process, Earth, plants, form ...


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  ...

Nitrogen Fixation - Tree of Life Web Project


The process of biological nitrogen fixation was discovered by the Dutch ... Plants cannot fix nitrogen on their own, but need it in one form or another to make ... in this cycle converting nitrogen containing compounds to ammonia, NH3, nitrates,  ...

More Info

The nitrogen cycle | Sciencelearn Hub


Jul 30, 2013 ... Read about nitrogen and the many forms it takes as it cycles through ecosystems. ... Image: Plant uptake of nitrogen compounds ... It has to be converted or 'fixed' to a more usable form through a process called fixation.

Forms of Nitrogen in the Soil - Plant and Soil Sciences eLibrary


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

Nitrogen cycle - Lenntech


Nitrogen in the gaseous form cannot be absorbed and used as a nutrient by plants ... During the conversion of nitrogen cyano bacteria will first convert nitrogen into ... Plants absorb ammonium and nitrate during the assimilation process, after ...