Lawns mowed with these mowers look neat and have added nourishment: their own nitrogen supply.

Its electrical supply and nitrogen supply are designed to last at least seven hours, the maximum length of a normal spacewalk.

There, he pioneered a method of rotating cotton crops with peanuts, pecans and sweet potatoes, which replenished the soil's nitrogen supply.

Maybe once every six or seven months you'll have to top off the nitrogen supply.

Termites on a low nitrogen diet allow for some fixation, but the contribution to the termite's nitrogen supply is negligible.

Biofertilization accounts for approximately 65% of the nitrogen supply to crops worldwide.

In the twentieth century, the minerals from this region "contribute minimally to global nitrogen supply."

Engineering tests were continued until March 24, 1975, when final depletion of the nitrogen supply was signaled by the onset of an un-programmed pitch turn.

In addition the nitrogen supply for the film transport system and the camera vessel was increased.

More and more manufacturers are choosing to create and control their own nitrogen supply by using an on demand nitrogen generators.