Although nitrogen is very abundant in the atmosphere as dinitrogen gas (N 2), it is largely inaccessible in this form to most organisms, making nitrogen a scarce resource and often limiting ...

Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go?

Nitrogen is an important plant nutrient that is often deficient ... The earth’s atmosphere contains 78% N as N2, a non-reactive gas. While most plants and animals cannot use N2, there are a few ...

Nitrogen oxides (NOx) are released mainly as a product of combustion processes, when oxygen (O2) and nitrogen (N2) in the air react with each other. These combustion processes take place predominantly ...