Sentences with phrase «on nitrogen fertilizer»

While TreeHugger wishes that all of our food was organic and made without fertilizers, the fact is that much of North America's agriculture is dependent on nitrogen fertilizer, and it is made with natural gas.

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.

Not exact matches

Farmers are earning huge profits on their wheat, soybeans, cotton and other crops; strong demand for (and relatively tight supplies of) grain, oilseeds and other key food inputs encouraged them to use large volumes of fertilizer (notably potash, phosphate and nitrogen) to boost their crop yields.

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.

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.

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.

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.

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.

Scientists have recently used the Canadian Light Source (CLS) to evaluate the effects of various sources of supplemental nitrogen fertilizer on the chemical composition of soil organic matter.

When a nitrogen fertilizer is added to the soil, it increases its microbiological activity by activating both processes that at the same time they depend on factors such as such as climatic, edaphic and field management.

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.

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.

«Many commercial fertilizers focus primarily on infusing soil with chemical forms of nitrogen,» Ferrieri said.

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 Cornell University researcher David Pimentel found that organic farms use 63 percent of the energy used by same - size conventional farms, which rely on large amounts of nitrogen fertilizer produced synthetically with large amounts of energy.

Normally, Ortner said, farmers use about 200 pounds of nitrogen fertilizer per acre, but now he's down to about 135 pounds per acre on the test plot.

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.

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.

The effects of nitrogen and phosphorus fertilizers on crop yields are well - researched, of course.

In contrast, after more than 30 years of trying to create corn that can convert atmospheric nitrogen into usable ammonia instead of relying on fertilizers, Ursin says she is still far from finding a way.

Broschat's fertilizer finding is critical because a state law limits the amount of nitrogen and phosphorus that people can put on their lawns.

As farmers spend billions of dollars spreading nitrogen on their fields this spring, researchers at the University of Missouri are working toward less reliance on the fertilizer.

Wang's research group designed a five - metal catalyst based on these high - entropy - alloy nanoparticles and demonstrated superior catalytic performance for selective oxidation of ammonia to nitrogen oxide, a reaction used by the chemical industry to produce nitric acid, an important chemical in the large - scale production of fertilizers and other products.

This means that on the scale of food crops, adding significant levels of nitrogen to the soil through fertilizer presents a number of problems, particularly river and groundwater pollution.

Bowman intentionally made mistakes on one test plot — «areas where we didn't apply enough nitrogen fertilizer, where we simulated mistakes in the applicator, where we shut the boom off for a short period of time or plugged it up and ran for a while,» Bowman said.

Heavy use of nitrogen fertilizers on farms, for example, allows more ammonia to run off into the oceans.

By producing more food on less land, it may be possible to reduce these emissions, but this so - called intensification often involves increasing fertilizer use, which can lead to large emissions of nitrogen - containing gases that also contribute to global warming.

Humanity currently depends on atmospheric nitrogen to produce enough fertilizer to maintain world food supply.

On top of that, many hybrids are selectively bred to survive low levels of magnesium and most conventional fertilizers use nitrogen, potassium, and phosphorus, and do nothing to replenish magnesium levels.

Perhaps instead of focusing on regulation and instead focusing on incenting positive behavior, we could get more digesters in place which would produce clean energy, reduce the amount of nitrogen and other nutrient pollution and provide farmers with another couple sources of revenue (electricity sales, fiber bedding sales (or savings) and increased fertilizer value of the liquid digestate as compared to raw manure.

Even in Europe, with its strong research programs on nutrient balances and stringent policies for reducing fertilizer runoff, nitrogen pollution remains substantial.

The claim that CO2 immediately increases plant growth and acts as a fertilizer is a highly oversimplified argument, since plant carbon uptake is dependent on water, temperature, and nitrogen suppy.

The paper didn't fail to mention what we have reported on before, that corn farming for ethanol using management practices such as commercial fertilizer application, mechanical tillage, and intensive drainage is the most important driver of this increase in nitrogen pollution.

On Thursday, the Obama administration announced a «comprehensive approach» to enlist American farmers in a voluntary effort to cut greenhouse gases — carbon dioxide, methane, and nitrogen oxides — through programs and incentives designed to reduce fertilizer use, encouraging tree planting, and turn poop into power by capturing methane.

The effect of the pulse crop on the nitrous oxide emissions from a following cereal should also be measured, since it is known that nitrogen fertilizer requirements of wheat and barley are reduced if they follow a pulse crop in the rotation.

We did not find to date any published studies which compared the effects of type of tillage system and nitrogen fertilizer placement method on nitric oxide emissions.

Studies should compare crops grown in a zero tillage system with a conventional tillage system, with nitrogen fertilizer banded on the cereals.

Widespread implementation of the Haber - Bosch process — an industrial means for converting the limitless pool of atmospheric N2 into usable forms of nitrogen, including fertilizer — had released much of the world from nitrogen constraints on crop growth.

They are the extinction rate; deforestation; the level of carbon dioxide in the atmosphere; and the flow of nitrogen and phosphorous (used on land as fertilizer) into the ocean.

On the other hand, nitrous oxide comes from nitrogen fertilizers used in agriculture.

Conventional stockless arable farms depend on the input of synthetic nitrogen fertilizers, while stockpiled manure and slurry on livestock farms create additional emissions and other environmen - tal problems.

The Delta Institute was presented with the Innovation award for the registration on ACR of the first U.S. fertilizer management project, a Michigan pilot currently in verification for reducing nitrogen fertilizer use on corn.

Depending on nitrogen carryover from previous management, additional fertilizer may be required beyond that provided through cover crop mineralization to maximize corn yield.

Oil is either there or it isn't — while corn production is built on a tripod of water and weather; resistance to plant disease, blight, and pests; and the availability of synthetic nitrogen fertilizers.

Grazing livestock merely recycle a few compounds of nitrogen, all of which either return to the atmosphere or provide valuable nitrogen fertilizers for the plants they graze on.

The government regulations on the total maximum daily load (tmdl) of synthetic nitrogen, or phosphorous fertilizer coming off of farms were established under the Clean Water Act.

I whole - heartedly support clean water / fresh air legislative efforts, reducing dependence on oil through funding of promising energy technologies, and reinstatement of the use of nitrogen - rich miracle fertilizer experimentation in the famine - stricken regions of Africa — that have, ironically, been attacked as potential global warming threats.

If Canadian farmers ever put 2 and 2 together - figure out why it's increasingly hard to afford nitrogen fertilizer - they'll pin Minime's hide up on the dining room wall of the CHÃ cents TEAU LAURIER.