Sentences with phrase «of nitrogen»

Large amounts of nitrogen oxide compounds are produced in particular by intensive lightning over land.
That reduction was due in part to a decrease in the amount of nitrogen in both types of plants when they grew in the high - atmospheric CO2.
However, it is considered responsible for more than a 200 % increase of nitrogen in wastewater, resulting in higher treatment costs.
The defeat devices cause the vehicles to emit «much higher» than allowable levels of nitrogen oxide pollution, according to the suit.
These facts are acknowledged in nutritional textbooks (this one, for example), and the widespread use of the nitrogen balance method simply reflects the difficulty of reliably estimating protein requirements.
By eliminating nitrogen in the soil, the scientists were able to make sure that the bacteria was the only source of nitrogen for plant.
Increased deposition of nitrogen from atmospheric sources because of fossil fuel combustion and forest burning.
High levels of nitrogen dioxide shorten lives, by increasing the risk of heart attacks, strokes and respiratory disorders.
New nitrogen comes from the air, which is 78 % nitrogen by volume, but it is almost all in the form of nitrogen gas.
The county estimates those systems account for about 70 percent of the nitrogen pollution in the county's surface water.
Make sure to have a feeding cycle exhibit and a visual representation of the nitrogen cycle on display during spring preparation months.
The body loses increasing amounts of nitrogen into the urine, usually as a result of the breakdown of protein in muscle tissue.
And some of the nutrients are lost there on the farm through runoff — more than 50 percent of the nitrogen applied to wheat crops is lost before harvest.
For an average lawn, he recommends applying a high - nitrogen lawn fertilizer at a rate of one to 1.5 pounds of nitrogen per 1,000 square feet.
The results of both calculations suggest a far deeper layer of nitrogen ice than the minimum 500 meters needed for convection to occur, he said.
All plants need nitrogen, yet the vast pool of nitrogen gas in the air is not available to many higher plants.
The Myth: Since corn grows better when you add lots of nitrogen, so will chiles.
It will stimulate the synthesis of protein in your body and increase your rate of nitrogen retention.
In living systems, ammonia plays several important roles, serving as a source of nitrogen for plants and helping maintain acid / base balance in animals.
They are rich in phosphorus and if they are being reduced, this will produce higher ratios of nitrogen compared to phosphorus, increasing the demand for nitrogen in the oceans.
Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis.
A large percentage of your muscle tissue is made of nitrogen, and if your body uses it up then you lose that valuable nutrient and your strength will begin to suffer.
The losses are shown in grams of nitrogen per day, where each gram represents the loss of about 1 ounce of lean tissue.
She also pointed out that ammonia, made up of nitrogen and hydrogen, occurs naturally in plants, animals, water, air and in some foods, including milk.
A delayed release of nitrogen into the soil better matched the needs of the young sweet corn.
The additional supply of nitrogen into the world's oceans by human activities, however, could change this situation in the future.
And due to the lack of nitrogen oxide compounds little ozone is subsequently formed.
Before this study, the input of this nitrogen to the global land system was unknown.
«Global scenarios where most of the nitrogen goes into trees, we just don't think are supported by this,» he said.
This molecular combination could only happen one of two ways, the more common of which requires the presence of nitrogen dioxide.
But in most intensive farming operations, crops are believed to take up only about half of the nitrogen in the fertilizer applied.
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.
Genetic analysis of nitrogen - fixing enzymes have placed their origin at between 1.5 and 2.2 billion years ago.
In most cases this has been found to be the result of some other limiting factor, such as the availability of nitrogen or water.
In the case of whey protein, your body utilizes more of its nitrogen content than whole egg and casein proteins.
Some reports do not report nitrogen content because it is assumed that yearly additions of nitrogen to the garden are necessary.
Over a year, a mature leaf - cutter colony may pull down about 1.8 kilograms of nitrogen from the air — equivalent to the nitrogen in 10,000 square meters of surrounding tropical soil.
Both of these processes release a variety of solid forms of nitrogen through combustion.
She wrote that passengers are sometimes sprayed with pesticides before flights, and that airplane air is pumped full of nitrogen.

Phrases with «of nitrogen»

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