Sentences with phrase «nitrogen fixing bacteria»
Members of the bean family (legumes) and some other kinds of plants form mutualistic symbiotic relationships with nitrogen fixing bacteria.
http://www.physicalgeography.net/ Not exact matches
Long before the rise of modern agriculture, humans relied on three things to bring nitrogen to barren soils: lightning strikes, nitrogen - fixing bacteria, and natural fertilizers.
As I began designing experiments to investigate the symbiotic relationship between legumes and nitrogen - fixing bacteria, my committee members applauded my ambition to pioneer a project far beyond the scope of my lab, which focuses on plant - pollinator interactions.
The leftover liquid waste is routed to an aeration basin where nitrogen - fixing bacteria convert ammonia to nitrate.
Nitrogen - fixing bacteria easily extract nitrogen from the air, thanks to the enzyme nitrogenase.
Three options are on the table: tweak cereals so that they form symbiotic partnerships with rhizobia as legumes do; colonise cereal roots with other types of nitrogen - fixing bacteria; or transfer the bacterial genes that make fertiliser directly into the crop plants.
Today, bacteria «fix» nitrogen this way routinely.
Mosses in subarctic tundra are colonized by bacteria that fix atmospheric nitrogen (N2), and together, they can contribute 50 % to total ecosystem N input.
Nitrospinae bacteria, which use the nitrogen compound nitrite to «fix» inorganic carbon dioxide into sugars and other compounds for food and reproduction, are responsible for 15 to 45 percent of such carbon fixation in the western North Atlantic Ocean, researchers report in the...
Over time, the bacteria lost the ability to live independently of the fern, but their photosynthetic machinery increased its nitrogen - fixing capability by a factor of between 12 and 20.
And, for now, farmers have to laboriously supply it by applying fertilizer or planting legumes, which host nitrogen - fixing bacteria in their roots.
If you want, they will also sell you soil, biodiversity, nitrogen - fixing bacteria and all kinds of other things.
These nitrogen - fixing, photosynthetic bacteria, also known as blue - green algae, are found in numerous habitats — in soil and lakes as well as the oceans.
Most of these bacteria are symbiotic, drawing from and providing for the plant in ways such as nitrogen - fixing and leaf - protection.
«Fixing soybean's need for nitrogen: Spraying beneficial bacteria increases yield, sustainability.»
These bacteria may «fix» as much nitrogen as all previously known ocean organisms combined.
Now the group has identified these bacteria and observed them fixing nitrogen in the laboratory and the ocean.
Only a few bacteria and simple algae have the cellular equipment needed to «fix» the nitrogen of the atmosphere into ammonia.
They screened more than 30 genotypes of Setaria viridis grass, looking for a strong nitrogen fixing response when colonized with three different bacteria strains.
The plant promises to lay groundwork for scientists exploring the relationship between crops and the fixing nitrogen bacteria that provide them the nitrogen amount plants need daily.
When nitrogen is low, about 1 in 10 of these bacteria, which grow in long filaments of cells, specialise in fixing nitrogen.
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.
«The plant houses the bacteria in a structure where the biochemical conditions are conducive for the bacteria to fix nitrogen,» Subramanian said.
Legumes, such as soybean plants, have the capacity to form mutually beneficial relationships with bacteria in the soil to fix nitrogen.
Some bacteria do this within certain plant roots, but we'd like to look at nitrogen - fixing bacterial that live in other parts of many plants.
Exploiting habitats that are often or mostly out of water required new symbiotic relationships to contain and move water, including the fusion of some fungi and algae to create lichen in communities with bacteria that survive extreme desiccation on land while breaking down rock into soil, and the association of mycorrhizae fungi and the root tissue of new vascular plants — culminating in trees that pump water high into the air — to exchange mineral nutrients (e.g., phosphorus) and usable «fixed» nitrogen from the atmosphere for photosynthetic products.
Nitrogen - fixing bacteria are the chief means by which nitrogen gas in the air is changed into a form that plants and animals can use.
Grown as cover crops in order to enrich soil, legumes are typically higher in protein than other crop plants, probably due to their symbiosis with nitrogen - fixing bacteria.
Like other members of the legume family, mesquite roots coexist with symbiotic bacteria that fix nitrogen in the soil.
Like other members of the legume family, tamarind roots have a symbiotic relationship with rhizobia, beneficial bacteria that fix nitrogen in the soil.
Some plants have coevolved with nitrogen - fixing bacteria, [7] making plants an important part of the nitrogen cycle.
For example; heterotrophic bacteria can compete with carbon fixing autotrophic bacteria for nitrogen which can result in a substantial reduction of carbon export to the deep since the heterotrophic bacteria send CO2 back to the atmosphere via respiration.
symbionts organisms that live together to mutual benefit [e.g., nitrogen - fixing bacteria that live with a plant (legume)-RSB-
Organisms which in turn create environments that break down soils and release nutrients — bacteria fix atmospheric nitrogen.
Legume - Plants that fix nitrogen from the air through a symbiotic relationship with bacteria in their soil and root systems (e.g., soybean, peas, beans, Lucerne (also known as alfalfa), clovers).
Lightning strikes can fix nitrogen, some plants have evolved relationships with fungi and bacteria to fix nitrogen or we have been known to add artificial or natural fertilizer.