Nitrogen is one of the primary nutrients critical for the survival of all living organisms. Although nitrogen is very abundant in the atmosphere, it is largely inaccessible in this form to most ...

An international group of scientists say there is an immediate need for a global assessment of the nitrogen cycle and its impact on climate. An international group of scientists say there is an ...

But how can agriculture affect the nitrogen cycle? How has it managed to reach a breaking point? To feed the world, isn’t intensive agriculture best? Let’s take stock of the situation.

She studies the nitrogen cycle, the biological and chemical shuffle of nitrogen from soils to oceans to atmosphere and back again. Key to this movement is a host of microorganisms, particularly ...

This is the nitrogen cycle. Farmers have always interfered with the cycle, because nitrogen availability often limits the fertility of soils. They have boosted production by planting more ...

When you feel a refreshing breeze on your cheeks, it is mostly nitrogen molecules swishing past. Our ecosystems naturally cycle nitrogen from the air in and out of our soils, where it forms an ...

The Thaumarchaeota play a key role in the marine nitrogen cycle. They gain energy for growth by converting ammonia, which is the most reduced form of inorganic nitrogen, to a more oxidized form: ...