Sentences with phrase «more nitrogen fertilizer»

Trends in N2O emissions are region - dependent, with the largest increasing trend in temperate Asia owing to more nitrogen fertilizer usage there.

Modern corn hybrids require more nitrogen fertilizer, herbicides, and insecticides than any other crop, while causing the most extensive erosion of top soil.

Statistics show that from 2003 to 2005, annual corn yields in parts of the Midwestern United States and north China were almost the same, even though Chinese farmers used six times more nitrogen fertilizer than their American counterparts and generated nearly 23 times the amount of excess nitrogen.

Not exact matches

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.

He managed to hack bacteria so they would perform a vital service for young rice plants, helping them utilize nitrogen and grow more efficiently with less fertilizer.

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.

Using different bacteria but the same overall setup, the researchers later turned nitrogen gas into ammonia for fertilizer, which could offer a more sustainable approach to the energy - guzzling method used for fertilizer production today.

Food production is rising sharply, requiring more carbon - based fuels and nitrogen - based fertilizers, both of which exacerbate global warming, river and ocean pollution, and a host of other ills.

Crops such as corn and soybeans flourish when nitrogen - containing fertilizer is applied to Midwestern fields, but many farmers routinely apply more fertilizer than their crops can take up.

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

Any nitrogen not taken up by plants is met by soil microbes that turn the fertilizer into nitrous oxide, an ozone - depleting gas that is also 300 times more potent than carbon dioxide.

Demand for phosphorus and nitrogen fertilizer is rising steadily as the world grows more crowded.

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.

Its significance is so important today because food production for more than half of the world's people can only be guaranteed with the aid of nitrogen fertilizers.

«However, the greatest reduction in nitrogen leaching occurs when bioenergy crops displace other cropland or grassland, because energy crops consume more water and less nitrogen fertilizer than the crops and grasses that they replace, resulting in less water runoff and nitrogen loss.»

Southern Asia contains some 90 % of the world's rice fields and more than 60 % of the world's nitrogen fertilizer use.

Since the 1980s, the use of nitrogen fertilizers and the number of livestock have doubled, whereas coal consumption has increased more than 3-fold and the number of motor vehicles more than 20-fold.

In a recent study, engineering researchers at Waterloo found that small wetlands have a more significant role to play than larger ones in preventing excess nutrients like nitrogen and phosphorus from fertilizer from reaching waterbodies such as the Great Lakes.

At Ku'au and Mā «alaea Bays, coastal waters contained nearly 100 times more nitrogen than less impacted locations due to fertilizer - enriched SGD.

Moreover, if the new rice supplies less carbon and other nutrients to the soil, farmers might eventually want to use more nitrogen - based fertilizers, resulting in the release of nitrous oxide, another strong greenhouse gas.

«By incorporating this, we're putting that silica back, which as we show can decrease inorganic arsenic in the grain but it also can provide other nutrients so maybe more phosphorous, more nitrogen as sort of an organic fertilizer without the need for more chemical fertilizer.

Crops that produce more nitrogen will require less fertilizer, thus lowering production costs and reducing the potential for runoff that can impact the environment, according to Subramanian.

It turns out that there's such a double - win in most bathrooms around the world; if we had «NoMix» toilets that separate urine from solid waste, municipal wastewater plants would have a significantly easier task (and produce more methane to generate electricity), and we could much more easily extract precious nutrients like phosphorus and nitrogen for use as fertilizer (instead of using fossil fuels).

Resource - conserving cropping practices from WHEAT, such as more targeted use of nitrogen fertilizers or sowing wheat into untilled soils and crop residues, can raise wheat farmers» incomes while curbing greenhouse gas emissions, if widely adopted, he added.

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

In 2011, the U.S. Department of Agriculture reported that 12.8 billion tons of nitrogen fertilizer costing more than $ 800 million were added to fields that produce corn, cotton, grains and other commodity crops.

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.

This fast decomposition also limits the amount of nitrogen that can get absorbed by crop roots and requires farmers to apply more fertilizer to boost production.

The Japanese locate their tofu factories very close to animal farms because more than 95 % of the okara (soybean pulp) is fed to animals (mostly hogs and dairy cows) and about 4 % of the okara becomes fertilizer (compost) because it is fairly rich in nitrogen and trace minerals.

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.

Mr. Zhang and his co-workers also demonstrated that use of nitrogen fertilizer could be halved without loss of yield or grain quality, reducing nitrogen losses by more than 50 percent in the process.

In a 2004 study in western Kenya, a co-author, Pedro Sanchez, and colleagues found that farmers used only about 6 pounds of nitrogen fertilizer per acre (7 kilograms per hectare)-- little more than 1 percent of the total used by Chinese farmers.

«Our agricultural practices have always impacted water quality, but over the past century the mechanization of agriculture and the use of more potent fertilizers has caused a greater effect: the nitrogen leakage rate is higher....

The residuals may have use as a fertilizer to help recycle nitrogen instead of making more fertilizer to get to the oceans causing dead zones.

If you get 38 % more growth with the same fertilizer the nitrogen content of the plant will be less.

The study suggests that ammonium - based fertilizer might be more useful under high - CO2 conditions, but says nothing about overall nitrogen uptake.

Other studies have shown that coating nitrogen fertilizers with various materials, such as polyolefins, can slow the release of nitrogen nutrients so that they are more synchronous with the requirements of the growing crop.

It has been suggested that the adoption of zero tillage in western Canada, with the potential to store more moisture and use moisture more efficiently, has been a contributing factor in the substantial drop in hectares of summerfallow, increases in land in crop, and increases in nitrogen fertilizer usage in western Canada in the last decade.

The opportunities for improvement are even greater in rapidly developing economies such as China, which now uses much more nitrogen and phosphorus fertilizer much less efficiently than either the United States or Europe, and at a much higher cost in pollution and human health.

Some regions may even shift from being a carbon sink to being an atmospheric carbon dioxide source, 50,51,52 though large uncertainties exist, such as whether projected disturbances to forests will be chronic or episodic.31 Midwest forests are more resilient to forest carbon losses than most western forests because of relatively high moisture availability, greater nitrogen deposition (which tends to act as a fertilizer), and lower wildfire risk.50, 51,53

«The MSU - EPRI methodology allows farmers to be paid to reduce their use of nitrogen fertilizer, while assisting other carbon market participants to reduce emissions more cost effectively than otherwise would be possible,» said Adam Diamant, technical executive at EPRI and a co-author of the new ACR methodology.

Simply feeding all those people will require doubling agricultural production if their diets are improved with a bit more meat as the fish in the oceans will be long gone and that's all supposed to happen without tractors powered by fossil fuels and nitrogen fertilizers from NatGas.