Sentences with phrase «of nitrogen fixation»

While the N:P ratio is closed to Redfield ratio in the modern ocean throughout the water column, OAEs N:P ratio collapses in the deep ocean despite high rates of nitrogen fixation in the surface.

For years, scientists have tried to increase the rate of nitrogen fixation in legumes by altering rhizobia bacterioid function or interactions that take place between the bacterioid and the root nodule cells.

Thus, in addition to the so - called «Haber - Bosch process of nitrogen fixation,» nitrogenase also stimulates a reaction corresponding to the «Fischer - Tropsch synthesis of hydrocarbons,» which can be used on a large scale to synthesize fuels, for instance from industrial waste gases..

In addition, another researcher finds evidence of nitrogen fixation in the needles of limber pine and Englemann spruce.

There have been many claims of nitrogen fixation in plants outside nodules where it was known to occur for more than a century.

«People always had the idea that the really ancient biosphere was just tenuously clinging on to this inhospitable planet, and it wasn't until the emergence of nitrogen fixation that suddenly the biosphere become large and robust and diverse,» said co-author Roger Buick, a UW professor of Earth and space sciences.

The former President and CEO of the Boyce Thompson Institute and pioneer of nitrogen fixation research passed away August 2 at the age of 82.

Investigators hope their research will improve the efficiency of nitrogen fixation, make establishment of the symbiosis more reliable under different growing conditions, and extend the host range of nitrogen - fixing symbiotic relationships.

Dr. Peters's group studies multi-electron reductive transformations in the context of nitrogen fixation, solar fuels schemes (e.g., H2generation and CO2 liquification), and C — X bond forming catalysis.

The larger, red - striped plant on the right had the bacteria and high rates of nitrogen fixation, whereas the plant on the left is smaller because bacteria were inhibited and was not fixing nitrogen.

Based on the abundance of these cyanobacteria and the rate at which they gobble down radioactive nitrogen in the laboratory, the researchers estimate they account for about 10 % of nitrogen fixation in the ocean.