Plants absorb nitrogen from the soil in the form of nitrate (NO) and ammonia (NH).

'It does nothing but absorb nitrogen and some oxygen?'

But the sea normally absorbs nitrogen very, very slowly.

Not only their shape; the way they change carbon dioxide into oxygen and absorb nitrogen.

It absorbs nitrogen and CO2 from the air.

They had to change, to absorb oxygen and nitrogen.

For plants to absorb nitrogen from urea it must first be broken down:

The bacterium absorbs nitrogen from the air and makes it available to the tree.

Nitrogen fixation is the process by which organisms absorb nitrogen from the air and convert it to a form they can use.

Slow-release fertilizer is added liberally, since the chips absorb nitrogen as they decompose.