Sentences with phrase «nitrogen fertilizers in»

The use of nitrogen fertilizers in agriculture is associated with high emissions of nitrous oxide.

The use of nitrogen fertilizers in farming is increasing the rate at which nitrous oxide is being added to the atmosphere.

There may also be opportunities for GHG offset projects, particularly in tropical and semi-tropical countries, where there is expected to be a large increase in demand for nitrogen fertilizers in the future.

Researchers in China studied the co-application of manures and chemical nitrogen fertilizers in high - input greenhouses.

Dr. Corre reported to me that she and Dr. Dan Pennock of the University of Saskatchewan had studied the landscape effects of deep banding of urea nitrogen fertilizer in fertilizer cropland compared to pasture and forest.

In one study in South Dakota, placement of nitrogen fertilizer in the surface layer of soil led to higher emissions of nitrous oxde from zero till compared to convention till.

The United States Department of Agriculture (USDA) prohibits synthetic nitrogen fertilizer in organic production and encourages natural compost.

Not exact matches

In 2010, one of its properties, Fern Road Farm, avoided using about 19,600 pounds of synthetic nitrogen fertilizers and 595 pounds of pesticides — while boosting revenue some 40 percent.

Heme also exists in the roots of plants like legumes that turn nitrogen into fertilizer.

Saskferco further strengthens Yara's scale and position in North America and is a perfect complement, bringing efficient production capacity from a world - class nitrogen fertilizer facility that is in close proximity to one of the key global fertilizer markets.

But fertilizer stocks rose on a rising tide of enthusiasm for favorable market trends and falling operational expenses heading into 2017, which could set the tone for a long - awaited recovery in potash, nitrogen, and phosphate prices.

This process increases nitrogen available in the soil without the need for added fertilizer.

Organic producers can choose from several pelleted organic fertilizer materials that vary in nitrogen content and price.

In the summer, there is higher humidity beneath the nurse trees, and legumes such as mesquite fix nitrogen in the soil — a perfect fertilizer for the chiltepínIn the summer, there is higher humidity beneath the nurse trees, and legumes such as mesquite fix nitrogen in the soil — a perfect fertilizer for the chiltepínin the soil — a perfect fertilizer for the chiltepíns.

Crews, T. E. & Peoples, M. B. Can the synchrony of nitrogen supply and crop demand be improved in legume and fertilizer - based agroecosystems?

When serving «nitrate» vegetables, the levels of nitrates in Organics are reduced though not 100 percent eradicated (Nitrates are naturally occurring and farming without using nitrogen fertilizers does not eliminate nitrate concentration).

Harmful algal blooms are increasingly appearing due to the exposure of particular algae to the nitrogen in synthetic fertilizers, which enters waterways via farm runoff.

While organic gardeners concede the point that most compost is low in soluble nitrogen, potassium, and phosphorous, Jack Ruttle observes: «I have grown many fine vegetable gardens with no other fertilizer than an inch or two of pure compost applied once a year, and I have known plenty of other gardeners who do the same.»

I'm wondering what my next step should be... should I opt for something heavy in nitrogen such as fish emulsion, something midrange in nitrogen content, or continue with the existing fertilizer?

The ban on synthetically - produced mineral nitrogen in organic agriculture confines the productivity to the natural system limits (i.e. N - fixation) or the limits defined by the annual nutrient balance of the farm, including imported fodder and organic fertilizers.

When serving «nitrate» vegetables, the levels of nitrates in Organics are significantly reduced though not 100 percent eradicated (Nitrates are naturally occurring and farming without using nitrogen fertilizers does not eliminate nitrate concentration).

Commercial baby food companies may buy veggies that are grown in a part of the country where the nitrate contamination of soil is lower, where the sun shines more or where Farmer's do not use high levels of nitrogen containing fertilizers.

In an effort to reduce the amount of nitrogen getting into bays and other water bodies and to protect groundwater, Suffolk County Legislator Bill Lindsay (D - Holbrook) has introduced a measure aimed at reducing the application of fertilizer.

In fact, this nitrogen fertilizer is a popular solution not only for lawns but for golf courses, parks, trees, and bushes.

In 1982, a team led by Mathieu Sebilo of the Université Pierre et Marie Curie in Paris infused soil with fertilizer containing nitrogen - 15, a form of the.In 1982, a team led by Mathieu Sebilo of the Université Pierre et Marie Curie in Paris infused soil with fertilizer containing nitrogen - 15, a form of the.in Paris infused soil with fertilizer containing nitrogen - 15, a form of the...

Fritz Haber, for instance, could have died a hero for finding a way to make fertilizer from the nitrogen in air.

The invention of synthetic fertilizer, where nitrogen is taken from an inert chemical form in the air and turned into ammonia, has had a profound effect on nitrogen cycling.

BALTIMORE — A glut of nitrogen washing over the land from car and factory exhaust and crop fertilizers is degrading water and air quality and even altering precarious balances in species diversity.

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.

On April 19, 1995, an unemployed security guard with an antigovernment vendetta detonated more than two tons of nitrogen fertilizer mixed with fuel at the Alfred P. Murrah Federal Building in Oklahoma City, killing 168 people.

Fumes from nitrogen - rich fertilizers and animal waste combine in the air with combustion emissions to form solid particles in the air.

In a paper released for discussion in the journal Atmospheric Chemistry and Physics, Crutzen calculated that 3 to 5 percent of the nitrogen in the fertilizers used to raise crops for biofuels could end up in the atmosphere as nitrous oxide, a potent, long - lived greenhouse gaIn a paper released for discussion in the journal Atmospheric Chemistry and Physics, Crutzen calculated that 3 to 5 percent of the nitrogen in the fertilizers used to raise crops for biofuels could end up in the atmosphere as nitrous oxide, a potent, long - lived greenhouse gain the journal Atmospheric Chemistry and Physics, Crutzen calculated that 3 to 5 percent of the nitrogen in the fertilizers used to raise crops for biofuels could end up in the atmosphere as nitrous oxide, a potent, long - lived greenhouse gain the fertilizers used to raise crops for biofuels could end up in the atmosphere as nitrous oxide, a potent, long - lived greenhouse gain the atmosphere as nitrous oxide, a potent, long - lived greenhouse gas.

The authors of a new study say that there has been limited information available about the influence of fertilizer sources of nitrogen that can be injected and fertigated on fruit yield and quality in organic blackberry.

Global agricultural emissions of the gas have increased by 20 per cent in the last century as a result of widespread use of nitrogen - based synthetic fertilizers.

Both fertilizers were applied by fertigation through the drip system at rates of 56 kg · ha - 1 nitrogen per year in 2011 - 12 and 90 kg · ha - 1 nitrogen in 2013.

The water, which in the case of slaughterhouse waste is laden with nitrogen and amino acids, is stored to be sold as a potent liquid fertilizer (see «Garden Delights,» next page).

The culprit: fumes from nitrogen - rich fertilizers and animal waste combine in the air with combustion emissions to form solid particles, which constitute a major source of disease and death, according to the new study.

MARS FERTILIZER The rover Curiosity has discovered «fixed» nitrogen, a biochemically important form of the element also found in fertilizerFERTILIZER The rover Curiosity has discovered «fixed» nitrogen, a biochemically important form of the element also found in fertilizerfertilizer on Earth.

The reduction of nitrogen is predicted to result in a decline in soil fertility and agricultural productivity downstream of the projects, leading to a greater reliance on chemical fertilizers.

And the leftover solids are great fertilizer — high in nutrients like nitrogen and phosphorous, safer than raw sewage, and stench - free.

It is often compared to the nitrogen - rich fertilizer urea, except in liquid form and cost - free.

Few projects in plant biotechnology are harder, or promise a greater payoff, than enabling crops to make their own nitrogen fertilizer.

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.

On a 40 - acre plot where he grows corn and soybeans in rotation, Ortner has worked with Michigan State University researchers for the past several years to reduce his nitrogen fertilizer use.

And, for now, farmers have to laboriously supply it by applying fertilizer or planting legumes, which host nitrogen - fixing bacteria in their roots.

Just a tad less fertilizer on Midwestern farms could lead to big drops in nitrogen pollution in the Mississippi River without sacrificing crop yields, a new study shows.

With the help of the Delta Institute and the Climate Trust, nonprofits focused on market - driven emissions reduction efforts, offsets are paid out to farmers when they document reductions in their nitrogen fertilizer use.

If their efficiency could be transferred to crops, we could grow more food in less time using less water and less nitrogen fertilizer.

NOx gases are produced in oxygen - poor soils when microbes break apart nitrogen compounds in the fertilizer, a process called denitrification.

For years scientists have known that nitrogen and phosphorus, which commonly enter freshwater lakes in chemical fertilizers, play a role in eutrophication — the process by which algal blooms, turbidity, and oxygen deficiencies turn a lake into a dead zone, largely devoid of animal life.