Related topics: soil · climate change · carbon dioxide · plants · hydrogen

Researchers call for more work to balance nitrogen cycle

More than 112 years ago, Fritz Haber and Carl Bosch industrialized a process that could produce ammonia from nitrogen readily available in the air, creating commercially viable chemical fertilizer capable of improving crop ...

A novel method of treating high-salinity nitrogenous wastewater

Nitrogen in hypersaline wastewater produced by industry represents a severe threat to the aqueous environment, and the accumulation of ammonia nitrogen often results in excessive multiplication of algae and leads to decrease ...

La Vuelta air not always healthy

The Netherlands is preparing for La Vuelta Holanda which starts on Friday 19 August. How clean is the air in the places that the peloton is visiting? Researchers from Utrecht University have mapped the annual average air ...

Scientists identify a plant molecule that sops up iron-rich heme

Symbiotic relationships between legumes and the bacteria that grow in their roots are critical for plant survival. Without those bacteria, the plants would have no source of nitrogen, an element that is essential for building ...

Meteorite provides record of asteroids 'spitting out' pebbles

In 2019, NASA's OSIRIS-REx spacecraft sent back images of a geological phenomenon no one had ever seen before: pebbles were flying off the surface of the asteroid Bennu. The asteroid appeared to be shooting off swarms of ...

Why interseeding might be the boost cover crops need

American farmers harvest nearly five times more corn than wheat. But this productive, useful crop requires fertilizer to reach its maximum potential, and is often not able to take up all the fertilizer it's given. Excess ...

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