Sentences with phrase «chemical nitrogen fertilizer»

Ca. 1 % of global fossil energy consumption is used for chemical nitrogen fertilizer production.

Reduces greenhouse gases, especially nitrous oxide, as no chemical nitrogen fertilizers are used and nutrient losses are minimized

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

Not exact matches

Chickpeas create their own fertilizer by fixing nitrogen from the air â $ «which means significantly lower use of chemical fertilizers and healthier soils.

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.

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.

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.

«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.

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.

«The amount and diversity of pesticides, pharmaceuticals and other industrial chemicals that humans are releasing into the environment are increasing at rates that match or exceed recent increases in CO2 emissions, nutrient pollution from nitrogen fertilizers, and other drivers of global change,» Bernhardt said.

But here's the rub: Chemical companies turn nitrogen found naturally in the atmosphere into ammonium and nitrate compounds that make up 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.

There is also pollution — the soup of toxic chemicals we live in, the fact that we have distorted the nitrogen cycle with our wasteful overuse of synthetic fertilizers.

Much like his contemporaries in Germany, Ritthausen was part of a growing field, started by a founder of organic chemistry (and inventor of nitrogen - based fertilizers), Justus von Liebig, to look at the chemical basis for naturally occurring substances.

The experiment included one group of plots that mimicked conventional farms: These were treated with chemical pesticides and herbicides and soluble nitrogen for fertilizer.

«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.

But the need to build massive chemical plants to convert methane and nitrogen into ammonia, as well as the massive infrastructure needed to distribute it, prevents many poor countries from easy access to fertilizer.

BRODIE: We typically use chemicals, especially nitrogen in the form of ammonia, as fertilizer.

In the chemical toxin category, perchlorate (a naturally occurring chemical, but also a man - made contaminant stemming from production of nitrate fertilizer with certain types of ore serving as the nitrogen source) and tobacco smoke (which contains hydrogen cyanide that can be converted into thiocyanate) are well - researched examples of chemical toxins that are considered goitrogenic because they can interfere with thyroid function.

The statement further claims the government has invested $ 10 billon in clean energy since 2006, and outlines several intentions to develop regulations on methane, chemicals, nitrogen fertilizers, and the efficiency of electricity sourced from natural gas.