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 ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential component in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Nitrates and other ...

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 ...

Among these processes, the sulfur cycle is crucial ... are integral to the cycling of halogens and nitrogen oxides, which are vital atmospheric components and contribute to broader climatic ...

greenhouse gas: a gas in the atmosphere that has the capacity to ... Modelling soil carbon and nitrogen cycles during land use change. A review. Agron Sustain Dev 31, 251–274 (2011) doi:Doi ...