Sentences with phrase «much nitrogen»

In the U.S. too much nitrogen fertilizer is used and this is bad from the standpoint of global warming, but this is a separate issue from the production of biofuels.

Now, there's around four times as much nitrogen in the atmosphere as oxygen and since nitrogen in its diatomic form is difficult to break to form compounds, then it could be said to approximate to an ideal gas (elastic collisions not inelastic), and, oxygen and nitrogen don't combine in the atmosphere but mix, and, oxygen is practically the same weight as nitrogen, and, oxygen has practically the same heat capacity, then, not a bad approximation to the ideal gas of Jelbring's thought experiment.

And an analysis done by the EPA in 2017 showed that Fitzgerald's trucks emitted 43 times as much nitrogen oxide as trucks that comply with modern emissions standards.

Azodyl is a nutritional supplement that may decrease azotemia, a condition in which there is too much nitrogen — in the form of urea, creatinine, and other waste products — in the blood.

Nitrogen is also critical to your muscle tissue, and retaining as much nitrogen as possible will help those muscles grow into harder, larger and bulkier body parts.

They discovered that the restored site removed almost as much nitrogen as the natural floodplain.

Her greenhouse - grown soybean plants fix twice as much nitrogen from the atmosphere as their natural counterparts, grow larger and produce up to 36 percent more seeds.

The second is to reduce the impact of the plants, by using plants that can grow on very poor soils, that don't need as much nitrogen or water.

«The data has been used by every level of government to make decisions about the management of waterways from deciding which waters are impaired to determining how much nitrogen a specific estuary can handle,» said Rachel Jakuba, PhD, science director for the Buzzards Bay Coalition and a coauthor of the paper.

To see how much nitrogen the ants get from these microbes, Currie and colleagues measured the ants» levels of an isotope, nitrogen - 15, which accumulates as organisms move up the food chain.

Nutrient pollution in bodies of water — too much nitrogen or phosphorous, for example — harms human health and the economy.

Goodell points out that most microorganisms use enzymes to break down compounds, but enzymes are huge molecules and physiologically «expensive» to produce because they contain so much nitrogen.

These bacteria may «fix» as much nitrogen as all previously known ocean organisms combined.

In 2008, Fornaciari analyzed carbon and nitrogen ratios in bone collagen from other princes of Naples and the Medici of Florence, and found that they had as much nitrogen in their diet as carnivorous mammals.

To assess the influence of phosphorus on nitrogen removal, the researchers used a comparative approach — they examined the differences between how much nitrogen goes into lakes and how much comes out downstream — coupled with time - series analyses of nitrogen and phosphorus concentration in large lakes.

You could argue [on] the climate change [one], but [on nutrient] pollution we have used so much [fertilizer] and so much nitrogen compounds are loose in the environment, it is hard to recognize our coastal oceans anymore; of the species that are gone [and] that kind of thing.

That makes sense: Too much nitrogen in water promotes the growth of plankton, which can block sunlight, and algae, which can settle on the grass blades and smother them.

Too much nitrogen in water can lead to algal blooms, which reduce oxygen in water and kill large numbers of fish.

Too much nitrogen and your plants will be all leaves and no fruit, not enough and your plants may be yellow and withered.

There are a lot of possible reasons for flower drop, including excessive heat (probably not the case here), excessive cold, over fertilizing (too much nitrogen), and over watering.

Sometimes if you have a really healthy plant with lots of foliage and no pod production, it's too much nitrogen.

Don't add too much nitrogen or the plants» energy will go to vegetative growth rather than pods.

There is too much nitrogen, so add sawdust, dry leaves, or other high - carbon materials, and turn the pile.

There have been cases of six foot tall jalapeño plants with plenty of foliage but no pods on them, because the grower fed them too much nitrogen too fast.

If blossom drop continues, too much nitrogen has been applied, and the pot should be flushed by running a lot of water through it.

Not exact matches

And this compares — this is a much simpler system than what we have with Falcon 9, where we use helium for pressurization, and we use nitrogen for gas thrusters.

Nor is it particularly important to know the chemical composition of a man, except for the purposes of amusing or shocking audiences in popular lectures by telling them that they are so much hydrogen, oxygen, carbon, nitrogen, potassium, sulfur, and so on, worth one dollar and ninety - eight cents on the current market in chemicals.

This is a matter of much concern as nitrogen oxides are greenhouse gases.

Peas are used as a companion rotational crop, a practice that returns much - needed nitrogen back to the soil.

Changes in nutrient mixture also helps to restrict plant size: if a chile is making too much foliage, I cut back nitrogen and increase phosphorus.

«The Legislature will want to put its signature on this in some way and I know Al and Bridget are already looking at [nitrogen pollution] issues,» said Mr. DeLuca, who added that his group will spend much of the next six weeks reviewing the proposal.

Too much chemical intrusion is polluting the local drinking water and marshlands, especially nitrogen, from industrial polluters, inadequate sewage infrastructure, and fertilizers and pesticides from farms and lawns.

It could take nitrogen directly from its environment, something we did not expect subsurface organisms to do because it takes so much energy.

The plants now carpet three times as much real estate as in 1984, thanks to more than 30 years of efforts to reduce nitrogen pollution.

Much higher contaminant counts were detected inside the air filter for the nitrogen gas — installed in 1979 and not opened for nearly 40 years — but Regberg says the bugs were growing on the filter's outer parts and multiple additional lines of defense separated this fungi from the actual samples.

The waste was burned to determine how much carbon, nitrogen, hydrogen and sulfur it contained.

They also measured special «stable isotopes» of carbon and nitrogen in river organisms to trace how much of the energy in their bodies came originally from leaf litter.

When polymeric nitrogen reverts back to its atmospheric form, Eremets believes, it should release a vast amount of energy — more than five times as much as TNT.

For this reason, it's important to figure out where — and by how much — farmers can afford to cut back on their nitrogen fertilizer use.

The team took a close look at a 2012 - 2013 drought and flood cycle that affected much of the Midwestern U.S., leading to a nitrogen spike in surface waters.

For example, they can apply fertilizer in the spring instead of the fall so that much of the nitrogen is not lost before the seeds begin growing.

Beijing has been battling an unwelcome, unrelenting and «very unhealthy» smog for many months, much of it made up of particulate nitrogen compounds suspended in the air.

California's vast agricultural lands — particularly soils heavily treated with nitrogen fertilizers — are now responsible for as much as 51 percent of total NOx emissions across the state, researchers report January 31 in Science Advances.

To determine how much of the nitrogen in an ecosystem comes from salmon, scientists measure stable isotopes.

The amount of nitrous oxide in the atmosphere has quickly increased as well, with about a third of the total added by human activity — much of that emitted by nitrogen - based fertilizers, and half of that from just three nations: China, the Soviet Union, and the United States.

That's because, on top of bringing water, they are also believed to have delivered much of Earth's so - called volatile elements, namely, carbon, nitrogen, and noble gases, says Conel Alexander, a cosmochemist at the Carnegie Institution for Science in Washington, D.C. To explain the abundance of these elements, there would have had to have been enough impacts to also deliver Earth's water, he says.

Much of the nitrogen that does get into crops is later excreted by humans into sewers.

Lehmann explains that nutrients from plant and animal remains — like nitrogen, phosphate, and potassium — bind to charcoal or biochar, drastically reducing how much is washed away by the constant rains.

«A bioreactor containing anaerobic methane and ammonium oxidizing microorganisms can be used to simultaneously convert ammonium, methane and oxidized nitrogen in wastewater into harmless nitrogen gas and carbon dioxide, which has much lower global warming potential.»

Like nitrogen, phosphorus can form a triple bond — but it does so much less readily than its smaller sibling, nitrogen.