Although nitrogen is very abundant in the atmosphere, it is largely inaccessible ... an ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers and ...

The Nitrogen Cycle Let’s begin our discussion of the N cycle in a ... nitrate can be converted to a gas by microbes and lost to the atmosphere through a process called denitrification. Nitrogen and ...

However, although our atmosphere contains plenty of nitrogen ... UK—investigated the nitrogen cycle in ancient stromatolites, ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential element in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Root hair cells have a long ...

Scientists from The University of Manchester and NCAS have identified unique species important to the marine reduced nitrogen cycle, including the first observations of gas-phase urea in the ...

The study found that agricultural nitrogen is responsible for 45% of the fluctuation increase in the annual carbon cycle.

Although nitrogen is very abundant in the atmosphere, it is largely inaccessible ... an ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers and ...