The nitrogen cycle (article) | Ecology | Khan Academy
https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-nitrogen-cycle
WEBJun 9, 2016 · Nitrogen as a limiting nutrient. In natural ecosystems, many processes, such as primary production and decomposition, are limited by the available supply of nitrogen. In other words, nitrogen is often the limiting nutrient, the nutrient that's in shortest supply and thus limits the growth of organisms or populations.
DA: 85 PA: 50 MOZ Rank: 93