Take the improved process for atmospheric nitrogen, as an example.

The bacteria turn atmospheric nitrogen into a form that the plant can use and get nutrients in return.

Like other leguminous plants, it fixes the atmospheric nitrogen in the soil.

Early in the twentieth century, several chemists tried to make ammonia from atmospheric nitrogen.

A contribution to the investigation of the assimilation of free atmospheric nitrogen by white and black mustard.

In addition to land runoff, atmospheric anthropogenic fixed nitrogen can enter the open ocean.

This organism has the power of transforming atmospheric nitrogen into a form the plant can use.

The findings from Germany now suggest another way in which the atmospheric nitrogen is replenished, completing the cycle.

Many compounds react with atmospheric nitrogen to give dinitrogen complexes.

Plants cannot use atmospheric nitrogen; they must use a combined or fixed form of the element.