Sentence examples for fixation of nitrogen from inspiring English sources

Therefore the fixation of nitrogen is vitally important.

He then collaborated with Russian microbiologist Sergey Nikolayevich Winogradsky, who identified an anaerobic bacterium (Clostridium pasterianum) responsible for the fixation of nitrogen in soil.

To confirm his early (and false) hypothesis that the direct fixation of nitrogen by some vegetables was facilitated by atmospheric electricity, he became involved in the study on the nitrification of soils by microorganisms.

In addition, the cooler temperatures limit the rate at which soil nutrients essential for plant growth are released through decomposition of organic material, breakdown of the parent rock, and fixation of nitrogen by soil microbes.

The Haber-Bosch process is the most economical for the fixation of nitrogen and with modifications continues in use as one of the basic processes of the chemical industry in the world.

The German chemist Fritz Haber was already developing a process for the fixation of nitrogen from air; this process made Germany self-sufficient in explosives and thus no longer dependent on imports of nitrates from Chile.

Uranium and osmium were early successful catalysts in the Haber process, the nitrogen fixation reaction of nitrogen and hydrogen to produce ammonia, giving enough yield to make the process economically successful.

Although the fixation of atmospheric nitrogen is an essential part of the nitrogen cycle, ammonification and nitrification are the predominant methods by which organic nitrogen is prevented from returning to the atmosphere and is kept cycling through the biosphere.

In order to survive times of combined nitrogen limitation N. punctiforme differentiate a new cell-type; the heterocyst, which is specialized in the fixation of atmospheric nitrogen (N2) into ammonium [ 3].

However, although these symbionts are related to nitrogen fixing and/or root-nodule associated bacteria, it is only speculated that the insect host benefits from fixation of molecular nitrogen.

It enters the chemical industry as ammonia, produced through fixation of atmospheric nitrogen, described below.