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 ...

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

Nitrogen gas makes up 78% of Earth’s atmosphere ... Nitrates are absorbed by the process of active uptake/transport, which moves the mineral from an area of low concentration in the soil to ...

Industries use the Haber-Bosch process to reduce nitrogen essentially ... Overuse of these chemical fertilizers has led to an upset in the nitrogen cycle and consequently to surface water as ...