Sentences with phrase «made nitrogen fertilizer»

Where Yellow Means Go As Townsend explains to his students, «The ability to make nitrogen fertilizer is one of the greatest boons in human history.»

The combination of high prices of natural gas, which is used to make nitrogen fertilizer, and of phosphate, as reserves are depleted, suggests a much greater future emphasis on nutrient recycling — an area where small farmers producing for local markets have a distinct advantage over massive feeding operations.

Not exact matches

Industry, which includes factories that make nitrogenous fertilizers, take nitrogen from the atmosphere and return it to the environment as nitrates.

At one point I heard them discuss how they could make a bomb using garden fertilizer for nitrogen, cellulose and battery acid.

Developing and demonstrating practical methods of rebuilding natural soil fertility became J.I. Rodale's primary goal when World War II's sudden shortage of nitrogen fertilizer — as it was diverted to making munitions — exposed the natural nutrient poverty of the nation's soil.

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

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

There's also interest in using metal catalysts to convert carbon dioxide into fuels, make fertilizers from atmospheric nitrogen and drive reactions in fuel - cell cars.

Biologically available nitrogen for agricultural fertilizer has been made since 1906 using the Haber - Bosch process.

But in your research, you noticed that perennial grasses could be harvested repeatedly to make hay, with hardly any added fertilizer and without robbing the soil of essential nutrients like nitrogen and phosphorus.

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

Small amounts of the silvery grey metal are used to speed up or «catalyze» a number of key industrial processes, including those that make drugs, detergents and nitrogen fertilizer, and they even play a major role breaking down toxic pollutants in the catalytic converters of our cars.

In fact, had scientists not created synthetic, mostly natural - gas - based fertilizer decades ago to improve nature's method of «fixing» nitrogen — a process of breaking nitrogen molecules apart to make them available to plants — neither you nor I, nor most of the 7 billion people crowding the planet, would be here today.

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.

The bacteria harvest H2 from their PHB store and use their nitrogenase to combine it with nitrogen from the air to make ammonia, the starting material for fertilizer.

The organic food movement eschews the use of artificial fertilizers, yet we can never forget a simple fact; nitrogen fertilizers were made possible by the Haber - Bosch process, a method literally of turning air into bread, which by some estimates kept a fifth of the world's population alive [4].

The next step, says Nocera, was to broaden the scope of their work by engineering another type of bacterium to take nitrogen out of the air to make 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 residuals may have use as a fertilizer to help recycle nitrogen instead of making more fertilizer to get to the oceans causing dead zones.

In Africa, work by the Millennium Villages Project (MVP) and others has shown that improving access to nitrogen and phosphorus fertilizers can make a substantial difference in human well - being.

Developing and demonstrating practical methods of rebuilding natural soil fertility became J.I. Rodale's primary goal when World War II's sudden shortage of nitrogen fertilizer — as it was diverted to making munitions — exposed the natural nutrient poverty of the nation's soil.

95 The case for crop - based biofuels was further undermined when a team led by Paul Crutzen, a Nobel Prize — winning chemist at the Max Planck Institute for Chemistry in Germany, concluded that emissions of nitrous oxide, a potent greenhouse gas, from the synthetic nitrogen fertilizer used to grow crops such as corn and rapeseed for biofuel production can negate any net reductions of CO2 emissions from replacing fossil fuels with biofuels, thus making biofuels a threat to climate stability.

Skyrocketing fertilizer costs making up the bulk of recent increases in wheat production costs, and the cost of fertilizers is largely tied to the cost of natural gas (production of nitrogen - based fertilizers consumes a considerable amount of natural gas).

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.

Now we are demonstrating the generality of it by having another type of bacteria take nitrogen out of the atmosphere to make fertilizer.»