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 ...

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 ...

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