Sentences with phrase «co-limit nitrogen fixation»

His area of research — nitrogen fixation in legume plants — interested me, and his enthusiasm for his subject was inspiring.

«If you grow corn, you rotate the field with soybeans so you get nitrogen fixation,» Clarens said.

The researchers think volcanic lightning or the heat of ancient impacts on Mars» surface were responsible for nitrogen fixation on the Red Planet.

But before life arose, nitrogen fixation must have occurred via purely chemical means: That's because amino acids and nucleic acids, which both contain nitrogen, were likely the organic compounds that developed into Earth's first lifeforms.

The Brookhaven - made nitrogen isotope enabled direct quantification of biological nitrogen fixation and provided evidence for biological transport and metabolism by the host plant.

New research shows that as taller shrubs expand into the tundra, nutrients in their leaf litter will either promote or reduce the nitrogen fixation, depending upon which shrub species that will dominate.

The most common method of industrial nitrogen fixation is the Harber - Bosch process, which requires extremely harsh conditions, 200 atm of pressure and 400 °C of temperature.

Along the way, the research team discovered a novel nitrogen fixation process.

They focus on modifications with nitrogen, developing a technique with direct nitrogen fixation, carbon - nitrogen bond formation, at the broken edges of graphite frameworks using ball - milling graphite in the presence of nitrogen gas.

«We can increase carbon sequestering and nitrogen fixation, or give Azolla's properties to other plants.

But he points out the vast majority of ocean nitrogen fixation is still unaccounted for — a problem «that needs to be fixed.»

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.

The biggest customer by a large margin, the colonial bacteria Trichodesmium, accounts for only one - tenth of known nitrogen fixation.

Nitrogen fixation is something that needs to happen in an anaerobic environment, and so when you break the crust up, you aerate it, and when you aerate it then the nitrogen fixation basically stops.

The study was part of the Hawaii Ocean Time - series Program More about nitrogen fixation from the National Research Council

Applications considered in the process included bio-mining; nitrogen fixation by engineered crops; gene drive propagation in populations of invasive species; and engineered seeds and plants destined for distribution to the public.

The process is called nitrogen fixation, and it occurs in microorganisms on the roots of plants.

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..

The researchers found that the organisms turned on three genes for an enzyme called nitrogenase, which aids nitrogen fixation.

The enzyme responsible for natural nitrogen fixation is called nitrogenase.

«The world's nitrogen fixation, explained.»

This research, «Robust biological nitrogen fixation in a model grass - bacterial association,» was published in the March 2015 issue of the Plant Journal.

Some, however, plow through the night, converting nitrogen from the air into usable nutrients — a process known as nitrogen fixation.

For more than a decade, a lone researcher has been building a case for nitrogen fixation by bacteria living in poplar leaves.

Biological nitrogen fixation — where diazotrophic bacteria fix atmospheric nitrogen and convert it to ammonium — provides a free way for plants to alter and absorb the nutrient.

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

Orly Levitan, an author of what may have been the first study of acidification boosting nitrogen fixation, says she would consider changing her seawater recipe based on the new paper if she were to revisit this work.

Ocean acidification slows nitrogen fixation and growth in the dominant diazotroph Trichodesmium under low - iron conditions.

Their analysis, which could discern human - derived nitrogen from natural nitrogen fixation, revealed that the oceanic nitrate concentration increased significantly over the last 30 years in surface waters of the North Pacific due largely to the enhanced deposition of nitrogen from the atmosphere.

They contain chemical evidence for nitrogen fixation by microbes.

This anthropogenic addition of nitrogen has reached a magnitude comparable to about half of global ocean nitrogen fixation (the natural process by which atmospheric nitrogen gas becomes a useful nutrient for organisms).

Elevated CO2 enhances nitrogen fixation and growth in the marine cyanobacterium Trichodesmium.

And if the cyanobacteria are growing in water short on iron, an essential nutrient for them, the slowdown in nitrogen fixation can overwhelm any positive growth effects from extra CO2.

The feat of introducing nitrogen fixation into corn and sorghum — or other genes that allow a crop to require less nitrogen — alone would cut costs and pollution markedly as well as drive higher yields.

In soy and other legumes nitrogen fixation is an evolved trait allowing them to hold on to the element and return it to the soil.

Legumes are protein - rich and would provide relief for the deficit; they also increase the amount of nitrogen available to plants through biological nitrogen fixation, reducing the need for fertilisers.

Marilyn Roossinck of Pennsylvania State University, University Park, spoke with Sarah Crespi about the diversity of roles that viruses take on in ecological systems, from protecting plants from drought to moderating nitrogen fixation.

Here, the presence of certain traits, such as the C4 photosynthesis pathway or nitrogen fixation, made a bigger difference to the plots» overall health than the number of species.

Hence, increasing nitrogen fixation could improve overall plant productivity for farmers who grow legumes in both industrial and developing countries while diminishing or eliminating the need for nitrogen fertilizers.

Stroud argues that the moss - bacteria symbiosis may be as important for global nutrient cycles as the nitrogen fixation of legumes and their root nodule microbes (ScienceNOW, 5 September 2003).

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.

Nanoscience has a role in understanding how those microbes talk to plants, how they share metabolites, and what regulates nitrogen fixation.

Key climate - relevant biogeochemical processes such as calcification, primary production and nitrogen fixation are investigated using a large array of techniques, ranging from molecular tools to physiological and ecological approaches.

Intense efforts have been directed toward understanding the mechanism of biological nitrogen fixation.

The overall process is called nitrogen fixation.

Possible mechanisms include (iv) fertilization of phytoplankton growth in the Southern Ocean by increased deposition of iron - containing dust from the atmosphere after being carried by winds from colder, drier continental areas, and a subsequent redistribution of limiting nutrients; (v) an increase in the whole ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient exported.

The analysis focused on the genes involved in nitrogen fixation and the formation of heterocysts, which are special cells where atmospheric nitrogen is converted into ammonia.

«More than 60 genes involved in various processes of heterocyst formation and nitrogen fixation were assigned to the chromosome based on their similarity to the reported genes,» Kaneko's team writes in Genome Research.

Diazotroph diversity and nitrogen fixation in the coral Stylophora pistillata from the Great Barrier Reef — Michael P. Lesser — The ISME Journal

«If all plants could do what legumes can do, then we wouldn't need nitrogen fertilizer and we would solve these problems,» said Frugoli, whose lab at Clemson works to understand the signaling between the plant and bacteria in the nitrogen fixation relationship.