In the nitrogen cycle, phytoplankton and other marine plants turn nitrate (NO 3) into organic nitrogen during photosynthesis. The organic nitrogen sinks into the deep ocean, where microbes "eat ...

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 ...

This document helps agricultural producers understand how N interacts in the environment through the N cycle to guide maintenance and sustainability of agricultural crop production. The Nitrogen Cycle ...

ON September 2, at the recent British Association meeting in Newcastle, a discussion was held by Section B (Chemistry) on "The Nitrogen Cycle in Nature". Prof. G. R. Clemo, in introducing the ...

The Gulf of Mexico is fed by 33 major rivers that drain water from 31 states and 2 Canadian provinces. As opposed to a constant flow from sources above and below ground, a new study finds periods of ...